Sicherheit: Mehrere Probleme in Linux

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SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID: SUSE-SU-2020:3798-1
Rating: important
References: #1050242 #1050536 #1050545 #1050549 #1056653
#1056657 #1056787 #1064802 #1066129 #1067665
#1103990 #1103992 #1104389 #1104393 #1109837
#1110096 #1111666 #1112178 #1112374 #1118657
#1122971 #1136460 #1136461 #1139944 #1158775
#1170139 #1170630 #1172542 #1172694 #1174726
#1174852 #1175916 #1176109 #1176558 #1176559
#1176956 #1177304 #1177397 #1177666 #1177805
#1177808 #1177819 #1177820 #1178182 #1178270
#1178589 #1178590 #1178634 #1178635 #1178669
#1178853 #1178854 #1178878 #1178886 #1178897
#1178940 #1178962 #1179107 #1179140 #1179141
#1179204 #1179211 #1179213 #1179259 #1179403
#1179406 #1179418 #1179419 #1179421 #1179424
#1179426 #1179427 #1179429 #1179520 #1179578
#1179601 #1179616 #1179663 #1179666 #1179670
#1179671 #1179672 #1179673 #1179711 #1179713
#1179714 #1179715 #1179716 #1179722 #1179723
#1179724
Cross-References: CVE-2018-20669 CVE-2019-20934 CVE-2020-15436
CVE-2020-15437 CVE-2020-25669 CVE-2020-27777
CVE-2020-27786 CVE-2020-28915 CVE-2020-28974
CVE-2020-29371 CVE-2020-4788
Affected Products:
SUSE Linux Enterprise Module for Realtime 15-SP1
______________________________________________________________________________

An update that solves 11 vulnerabilities and has 80 fixes
is now available.

Description:

The SUSE Linux Enterprise 15-SP1 RT kernel was updated to receive various
security and bugfixes.

The following security bugs were fixed:

- CVE-2018-20669: Fixed an improper check i915_gem_execbuffer2_ioctl in
drivers/gpu/drm/i915/i915_gem_execbuffer.c (bsc#1122971).
- CVE-2019-20934: Fixed a use-after-free in show_numa_stats() because NUMA
fault statistics were inappropriately freed, aka CID-16d51a590a8c
(bsc#1179663).
- CVE-2020-15436: Fixed a use after free vulnerability in fs/block_dev.c
which could have allowed local users to gain privileges or cause a
denial of service (bsc#1179141).
- CVE-2020-15437: Fixed a null pointer dereference which could have
allowed local users to cause a denial of service(bsc#1179140).
- CVE-2020-25669: Fixed a use-after-free read in sunkbd_reinit()
(bsc#1178182).
- CVE-2020-27777: Restrict RTAS requests from userspace (bsc#1179107)
- CVE-2020-27786: Fixed a use after free in kernel midi subsystem
snd_rawmidi_kernel_read1() (bsc#1179601).
- CVE-2020-28915: Fixed a buffer over-read in the fbcon code which could
have been used by local attackers to read kernel memory (bsc#1178886).
- CVE-2020-28974: Fixed a slab-out-of-bounds read in fbcon which could
have been used by local attackers to read privileged information or
potentially crash the kernel, aka CID-3c4e0dff2095 (bsc#1178589).
- CVE-2020-29371: Fixed uninitialized memory leaks to userspace
(bsc#1179429).
- CVE-2020-4788: Fixed an issue with IBM Power9 processors could have
allowed a local user to obtain sensitive information from the data in
the L1 cache under extenuating circumstances (bsc#1177666).

The following non-security bugs were fixed:

- ACPI: GED: fix -Wformat (git-fixes).
- ALSA: ctl: fix error path at adding user-defined element set (git-fixes).
- ALSA: firewire: Clean up a locking issue in copy_resp_to_buf()
(git-fixes).
- ALSA: hda/realtek: Add mute LED quirk to yet another HP x360 model
(git-fixes).
- ALSA: hda/realtek - Add new codec supported for ALC897 (git-fixes).
- ALSA: hda/realtek: Add some Clove SSID in the ALC293(ALC1220)
(git-fixes).
- ALSA: hda/realtek: Enable headset of ASUS UX482EG & B9400CEA with
ALC294
(git-fixes).
- ALSA: mixart: Fix mutex deadlock (git-fixes).
- ALSA: usb-audio: US16x08: fix value count for level meters (git-fixes).
- arm64: KVM: Fix system register enumeration (bsc#1174726).
- arm/arm64: KVM: Add PSCI version selection API (bsc#1174726).
- ASoC: qcom: lpass-platform: Fix memory leak (git-fixes).
- ath10k: Acquire tx_lock in tx error paths (git-fixes).
- Avoid a GCC warning about "/*" within a comment.
- batman-adv: set .owner to THIS_MODULE (git-fixes).
- Bluetooth: btusb: Fix and detect most of the Chinese Bluetooth
controllers (git-fixes).
- Bluetooth: hci_bcm: fix freeing not-requested IRQ (git-fixes).
- bnxt_en: Fix race when modifying pause settings (bsc#1050242 ).
- bnxt_en: Protect bnxt_set_eee() and bnxt_set_pauseparam() with mutex
(bsc#1050242).
- btmrvl: Fix firmware filename for sd8997 chipset (bsc#1172694).
- btrfs: account ticket size at add/delete time (bsc#1178897).
- btrfs: add helper to obtain number of devices with ongoing dev-replace
(bsc#1178897).
- btrfs: check rw_devices, not num_devices for balance (bsc#1178897).
- btrfs: do not delete mismatched root refs (bsc#1178962).
- btrfs: fix btrfs_calc_reclaim_metadata_size calculation (bsc#1178897).
- btrfs: fix force usage in inc_block_group_ro (bsc#1178897).
- btrfs: fix invalid removal of root ref (bsc#1178962).
- btrfs: fix reclaim counter leak of space_info objects (bsc#1178897).
- btrfs: fix reclaim_size counter leak after stealing from global reserve
(bsc#1178897).
- btrfs: kill min_allocable_bytes in inc_block_group_ro (bsc#1178897).
- btrfs: qgroup: do not commit transaction when we already hold the handle
(bsc#1178634).
- btrfs: rework arguments of btrfs_unlink_subvol (bsc#1178962).
- btrfs: split dev-replace locking helpers for read and write
(bsc#1178897).
- can: af_can: prevent potential access of uninitialized member in
canfd_rcv() (git-fixes).
- can: af_can: prevent potential access of uninitialized member in
can_rcv() (git-fixes).
- can: dev: can_restart(): post buffer from the right context (git-fixes).
- can: gs_usb: fix endianess problem with candleLight firmware (git-fixes).
- can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
(git-fixes).
- can: m_can: m_can_handle_state_change(): fix state change (git-fixes).
- can: m_can: m_can_stop(): set device to software init mode before
closing (git-fixes).
- can: mcba_usb: mcba_usb_start_xmit(): first fill skb, then pass to
can_put_echo_skb() (git-fixes).
- can: peak_usb: fix potential integer overflow on shift of a int
(git-fixes).
- ceph: add check_session_state() helper and make it global (bsc#1179259).
- ceph: check session state after bumping session->s_seq (bsc#1179259).
- ceph: fix race in concurrent __ceph_remove_cap invocations (bsc#1178635).
- cifs: add NULL check for ses->tcon_ipc (bsc#1178270).
- cifs: allow syscalls to be restarted in __smb_send_rqst() (bsc#1176956).
- cifs: fix check of tcon dfs in smb1 (bsc#1178270).
- cifs: Fix incomplete memory allocation on setxattr path (bsc#1179211).
- cifs: fix potential use-after-free in cifs_echo_request() (bsc#1139944).
- cifs: remove bogus debug code (bsc#1179427).
- cifs: Return the error from crypt_message when enc/dec key not found
(bsc#1179426).
- Convert trailing spaces and periods in path components (bsc#1179424).
- coredump: fix core_pattern parse error (git-fixes).
- cxgb4: Fix offset when clearing filter byte counters (bsc#1064802
bsc#1066129).
- docs: ABI: stable: remove a duplicated documentation (git-fixes).
- docs: ABI: sysfs-c2port: remove a duplicated entry (git-fixes).
- Drivers: hv: vmbus: Remove the unused "tsc_page" from struct
hv_context
(git-fixes).
- drm/i915/gvt: Set ENHANCED_FRAME_CAP bit (git-fixes).
- drm/sun4i: dw-hdmi: fix error return code in sun8i_dw_hdmi_bind()
(git-fixes).
- efi: cper: Fix possible out-of-bounds access (git-fixes).
- efi/efivars: Add missing kobject_put() in sysfs entry creation error
path (git-fixes).
- efi/esrt: Fix reference count leak in esre_create_sysfs_entry
(git-fixes).
- efi: provide empty efi_enter_virtual_mode implementation (git-fixes).
- efivarfs: fix memory leak in efivarfs_create() (git-fixes).
- efivarfs: revert "fix memory leak in efivarfs_create()"
(git-fixes).
- efi/x86: Do not panic or BUG() on non-critical error conditions
(git-fixes).
- efi/x86: Free efi_pgd with free_pages() (bsc#1112178).
- efi/x86: Ignore the memory attributes table on i386 (git-fixes).
- efi/x86: Map the entire EFI vendor string before copying it (git-fixes).
- ext4: correctly report "not supported" for {usr,grp}jquota when
!CONFIG_QUOTA (bsc#1179672).
- ext4: fix bogus warning in ext4_update_dx_flag() (bsc#1179716).
- ext4: fix error handling code in add_new_gdb (bsc#1179722).
- ext4: fix invalid inode checksum (bsc#1179723).
- ext4: fix leaking sysfs kobject after failed mount (bsc#1179670).
- ext4: limit entries returned when counting fsmap records (bsc#1179671).
- ext4: unlock xattr_sem properly in ext4_inline_data_truncate()
(bsc#1179673).
- fs: Do not invalidate page buffers in block_write_full_page()
(bsc#1179711).
- fs/proc/array.c: allow reporting eip/esp for all coredumping threads
(bsc#1050549).
- fuse: fix page dereference after free (bsc#1179213).
- futex: Do not enable IRQs unconditionally in put_pi_state()
(bsc#1067665).
- futex: Handle transient "ownerless" rtmutex state correctly
(bsc#1067665).
- hv_balloon: disable warning when floor reached (git-fixes).
- hv_netvsc: deal with bpf API differences in 4.12 (bsc#1177819,
bsc#1177820).
- hv_netvsc: make recording RSS hash depend on feature flag (bsc#1178853,
bsc#1178854).
- hv_netvsc: record hardware hash in skb (bsc#1178853, bsc#1178854).
- i2c: qup: Fix error return code in qup_i2c_bam_schedule_desc()
(git-fixes).
- i40iw: Fix error handling in i40iw_manage_arp_cache() (bsc#1111666)
- i40iw: fix null pointer dereference on a null wqe pointer (bsc#1111666)
- i40iw: Report correct firmware version (bsc#1111666)
- IB/cma: Fix ports memory leak in cma_configfs (bsc#1111666)
- IB/core: Set qp->real_qp before it may be accessed (bsc#1111666)
- IB/hfi1: Add missing INVALIDATE opcodes for trace (bsc#1111666)
- IB/hfi1: Add RcvShortLengthErrCnt to hfi1stats (bsc#1111666)
- IB/hfi1: Add software counter for ctxt0 seq drop (bsc#1111666)
- IB/hfi1: Avoid hardlockup with flushlist_lock (bsc#1111666)
- IB/hfi1: Call kobject_put() when kobject_init_and_add() fails
(bsc#1111666)
- IB/hfi1: Check for error on call to alloc_rsm_map_table (bsc#1111666)
- IB/hfi1: Close PSM sdma_progress sleep window (bsc#1111666)
- IB/hfi1: Define variables as unsigned long to fix KASAN warning
(bsc#1111666)
- IB/hfi1: Ensure full Gen3 speed in a Gen4 system (bsc#1111666)
- IB/hfi1: Fix memory leaks in sysfs registration and unregistration
(bsc#1111666)
- IB/hfi1: Fix Spectre v1 vulnerability (bsc#1111666)
- IB/hfi1: Handle port down properly in pio (bsc#1111666)
- IB/hfi1: Handle wakeup of orphaned QPs for pio (bsc#1111666)
- IB/hfi1: Insure freeze_work work_struct is canceled on shutdown
(bsc#1111666)
- IB/hfi1, qib: Ensure RCU is locked when accessing list (bsc#1111666)
- IB/{hfi1, qib}: Fix WC.byte_len calculation for UD_SEND_WITH_IMM
(bsc#1111666)
- IB/hfi1: Remove unused define (bsc#1111666)
- IB/hfi1: Silence txreq allocation warnings (bsc#1111666)
- IB/hfi1: Validate page aligned for a given virtual address (bsc#1111666)
- IB/hfi1: Wakeup QPs orphaned on wait list after flush (bsc#1111666)
- IB/ipoib: drop useless LIST_HEAD (bsc#1111666)
- IB/ipoib: Fix double free of skb in case of multicast traffic in CM mode
(bsc#1111666)
- IB/ipoib: Fix for use-after-free in ipoib_cm_tx_start (bsc#1111666)
- IB/iser: Fix dma_nents type definition (bsc#1111666)
- IB/iser: Pass the correct number of entries for dma mapped SGL
(bsc#1111666)
- IB/mad: Fix use-after-free in ib mad completion handling (bsc#1111666)
- IB/mlx4: Add and improve logging (bsc#1111666)
- IB/mlx4: Add support for MRA (bsc#1111666)
- IB/mlx4: Adjust delayed work when a dup is observed (bsc#1111666)
- IB/mlx4: Fix leak in id_map_find_del (bsc#1111666)
- IB/mlx4: Fix memory leak in add_gid error flow (bsc#1111666)
- IB/mlx4: Fix race condition between catas error reset and aliasguid
flows (bsc#1111666)
- IB/mlx4: Fix starvation in paravirt mux/demux (bsc#1111666)
- IB/mlx4: Follow mirror sequence of device add during device removal
(bsc#1111666)
- IB/mlx4: Remove unneeded NULL check (bsc#1111666)
- IB/mlx4: Test return value of calls to ib_get_cached_pkey (bsc#1111666)
- IB/mlx5: Add missing XRC options to QP optional params mask (bsc#1111666)
- IB/mlx5: Compare only index part of a memory window rkey (bsc#1111666)
- IB/mlx5: Do not override existing ip_protocol (bsc#1111666)
- IB/mlx5: Fix clean_mr() to work in the expected order (bsc#1111666)
- IB/mlx5: Fix implicit MR release flow (bsc#1111666)
- IB/mlx5: Fix outstanding_pi index for GSI qps (bsc#1111666)
- IB/mlx5: Fix RSS Toeplitz setup to be aligned with the HW specification
(bsc#1111666)
- IB/mlx5: Fix unreg_umr to ignore the mkey state (bsc#1111666)
- IB/mlx5: Improve ODP debugging messages (bsc#1111666)
- IB/mlx5: Move MRs to a kernel PD when freeing them to the MR cache
(bsc#1111666)
- IB/mlx5: Prevent concurrent MR updates during invalidation (bsc#1111666)
- IB/mlx5: Reset access mask when looping inside page fault handler
(bsc#1111666)
- IB/mlx5: Set correct write permissions for implicit ODP MR (bsc#1111666)
- IB/mlx5: Use direct mkey destroy command upon UMR unreg failure
(bsc#1111666)
- IB/mlx5: Use fragmented QP's buffer for in-kernel users (bsc#1111666)
- IB/mlx5: WQE dump jumps over first 16 bytes (bsc#1111666)
- IB/mthca: fix return value of error branch in mthca_init_cq()
(bsc#1111666)
- IB/qib: Call kobject_put() when kobject_init_and_add() fails
(bsc#1111666)
- IB/qib: Fix an error code in qib_sdma_verbs_send() (bsc#1111666)
- IB/{qib, hfi1, rdmavt}: Correct ibv_devinfo max_mr value (bsc#1111666)
- IB/qib: Remove a set-but-not-used variable (bsc#1111666)
- IB/rdmavt: Convert timers to use timer_setup() (bsc#1111666)
- IB/rdmavt: Fix alloc_qpn() WARN_ON() (bsc#1111666)
- IB/rdmavt: Fix sizeof mismatch (bsc#1111666)
- IB/rdmavt: Reset all QPs when the device is shut down (bsc#1111666)
- IB/rxe: Fix incorrect cache cleanup in error flow (bsc#1111666)
- IB/rxe: Make counters thread safe (bsc#1111666)
- IB/srpt: Fix memory leak in srpt_add_one (bsc#1111666)
- IB/umad: Avoid additional device reference during open()/close()
(bsc#1111666)
- IB/umad: Avoid destroying device while it is accessed (bsc#1111666)
- IB/umad: Do not check status of nonseekable_open() (bsc#1111666)
- IB/umad: Fix kernel crash while unloading ib_umad (bsc#1111666)
- IB/umad: Refactor code to use cdev_device_add() (bsc#1111666)
- IB/umad: Simplify and avoid dynamic allocation of class (bsc#1111666)
- IB/usnic: Fix out of bounds index check in query pkey (bsc#1111666)
- IB/uverbs: Fix OOPs upon device disassociation (bsc#1111666)
- igc: Fix returning wrong statistics (bsc#1118657).
- iio: accel: kxcjk1013: Add support for KIOX010A ACPI DSM for setting
tablet-mode (git-fixes).
- iio: accel: kxcjk1013: Replace is_smo8500_device with an acpi_type enum
(git-fixes).
- inet_diag: Fix error path to cancel the meseage in inet_req_diag_fill()
(git-fixes).
- Input: adxl34x - clean up a data type in adxl34x_probe() (git-fixes).
- Input: i8042 - fix error return code in i8042_setup_aux() (git-fixes).
- iw_cxgb4: fix ECN check on the passive accept (bsc#1111666)
- iw_cxgb4: only reconnect with MPAv1 if the peer aborts (bsc#1111666)
- kABI: add back flush_dcache_range (jsc#SLE-16402 jsc#SLE-16497
bsc#1176109 ltc#187964).
- kABI fix for g2d (git-fixes).
- kABI workaround for usermodehelper changes (bsc#1179406).
- kgdb: Fix spurious true from in_dbg_master() (git-fixes).
- KVM: arm64: Add missing #include of -<linux/string.h> in guest.c
(bsc#1174726).
- KVM: arm64: Factor out core register ID enumeration (bsc#1174726).
- KVM: arm64: Filter out invalid core register IDs in KVM_GET_REG_LIST
(bsc#1174726).
- KVM: arm64: Refactor kvm_arm_num_regs() for easier maintenance
(bsc#1174726).
- KVM: arm64: Reject ioctl access to FPSIMD V-regs on SVE vcpus
(bsc#1174726).
- KVM host: kabi fixes for psci_version (bsc#1174726).
- libnvdimm/nvdimm/flush: Allow architecture to override the flush barrier
(jsc#SLE-16402 jsc#SLE-16497 bsc#1176109 ltc#187964).
- locking/lockdep: Add debug_locks check in __lock_downgrade()
(bsc#1050549).
- locking/percpu-rwsem: Use this_cpu_{inc,dec}() for read_count
(bsc#1050549).
- locktorture: Print ratio of acquisitions, not failures (bsc#1050549).
- mac80211: always wind down STA state (git-fixes).
- mac80211: free sta in sta_info_insert_finish() on errors (git-fixes).
- mac80211: minstrel: fix tx status processing corner case (git-fixes).
- mac80211: minstrel: remove deferred sampling code (git-fixes).
- media: mtk-mdp: Fix a refcounting bug on error in init (git-fixes).
- media: s5p-g2d: Fix a memory leak in an error handling path in
'g2d_probe()' (git-fixes).
- media: uvcvideo: Set media controller entity functions (git-fixes).
- media: uvcvideo: Silence shift-out-of-bounds warning (git-fixes).
- mlxsw: core: Fix memory leak on module removal (bsc#1112374).
- mm: always have io_remap_pfn_range() set pgprot_decrypted()
(bsc#1112178).
- mm/userfaultfd: do not access vma->vm_mm after calling
handle_userfault() (bsc#1179204).
- net: DCB: Validate DCB_ATTR_DCB_BUFFER argument (bsc#1103990 ).
- net: ena: Capitalize all log strings and improve code readability
(bsc#1177397).
- net: ena: Change license into format to SPDX in all files (bsc#1177397).
- net: ena: Change log message to netif/dev function (bsc#1177397).
- net: ena: Change RSS related macros and variables names (bsc#1177397).
- net: ena: ethtool: Add new device statistics (bsc#1177397).
- net: ena: ethtool: add stats printing to XDP queues (bsc#1177397).
- net: ena: ethtool: convert stat_offset to 64 bit resolution
(bsc#1177397).
- net: ena: Fix all static chekers' warnings (bsc#1177397).
- net: ena: fix packet's addresses for rx_offset feature (bsc#1174852).
- net: ena: handle bad request id in ena_netdev (git-fixes).
- net: ena: Remove redundant print of placement policy (bsc#1177397).
- net: ena: xdp: add queue counters for xdp actions (bsc#1177397).
- netfilter: nat: can't use dst_hold on noref dst (bsc#1178878).
- net/mlx4_core: Fix init_hca fields offset (git-fixes).
- net: qede: fix PTP initialization on recovery (bsc#1136460 jsc#SLE-4691
bsc#1136461 jsc#SLE-4692).
- net: qede: fix use-after-free on recovery and AER handling (bsc#1136460
jsc#SLE-4691 bsc#1136461 jsc#SLE-4692).
- net: qed: fix async event callbacks unregistering (bsc#1104393
bsc#1104389).
- net: qed: fix "maybe uninitialized" warning (bsc#1136460
jsc#SLE-4691
bsc#1136461 jsc#SLE-4692).
- net_sched: fix a memory leak in atm_tc_init() (bsc#1056657 bsc#1056653
bsc#1056787).
- net/smc: fix valid DMBE buffer sizes (git-fixes).
- net: thunderx: use spin_lock_bh in nicvf_set_rx_mode_task()
(bsc#1110096).
- net/tls: Fix kmap usage (bsc#1109837).
- net/tls: missing received data after fast remote close (bsc#1109837).
- net/x25: prevent a couple of overflows (bsc#1178590).
- nfc: s3fwrn5: use signed integer for parsing GPIO numbers (git-fixes).
- nfp: use correct define to return NONE fec (bsc#1109837).
- NFS: mark nfsiod as CPU_INTENSIVE (bsc#1177304).
- NFS: only invalidate dentrys that are clearly invalid (bsc#1178669
bsc#1170139).
- NFSv4.1: fix handling of backchannel binding in BIND_CONN_TO_SESSION
(bsc#1170630).
- ocfs2: initialize ip_next_orphan (bsc#1179724).
- PCI: pci-hyperv: Fix build errors on non-SYSFS config (git-fixes).
- pinctrl: amd: fix incorrect way to disable debounce filter (git-fixes).
- pinctrl: amd: use higher precision for 512 RtcClk (git-fixes).
- pinctrl: aspeed: Fix GPI only function problem (git-fixes).
- platform/x86: toshiba_acpi: Fix the wrong variable assignment
(git-fixes).
- powerpc/32: define helpers to get L1 cache sizes (jsc#SLE-16402
jsc#SLE-16497 bsc#1176109 ltc#187964).
- powerpc/64: flush_inval_dcache_range() becomes flush_dcache_range()
(jsc#SLE-16402 jsc#SLE-16497 bsc#1176109 ltc#187964).
- powerpc/64: reuse PPC32 static inline flush_dcache_range()
(jsc#SLE-16402 jsc#SLE-16497 bsc#1176109 ltc#187964).
- powerpc: Chunk calls to flush_dcache_range in arch_*_memory
(jsc#SLE-16402 jsc#SLE-16497 bsc#1176109 ltc#187964 git-fixes).
- powerpc: define helpers to get L1 icache sizes (jsc#SLE-16402
jsc#SLE-16497 bsc#1176109 ltc#187964).
- powerpc/mm: Flush cache on memory hot(un)plug (jsc#SLE-16402
jsc#SLE-16497 bsc#1176109 ltc#187964).
- powerpc/perf: Fix crash with is_sier_available when pmu is not set
(bsc#1179578 ltc#189313).
- powerpc/pmem: Add flush routines using new pmem store and sync
instruction (jsc#SLE-16402 jsc#SLE-16497 bsc#1176109 ltc#187964).
- powerpc/pmem: Add new instructions for persistent storage and sync
(jsc#SLE-16402 jsc#SLE-16497 bsc#1176109 ltc#187964).
- powerpc/pmem: Avoid the barrier in flush routines (jsc#SLE-16402
jsc#SLE-16497 bsc#1176109 ltc#187964).
- powerpc/pmem: Fix kernel crash due to wrong range value usage in
flush_dcache_range (jsc#SLE-16497 bsc#1176109 ltc#187964).
- powerpc/pmem: Initialize pmem device on newer hardware (jsc#SLE-16402
jsc#SLE-16497 bsc#1176109 ltc#187964).
- powerpc/pmem: Restrict papr_scm to P8 and above (jsc#SLE-16402
jsc#SLE-16497 bsc#1176109 ltc#187964).
- powerpc/pmem: Update ppc64 to use the new barrier instruction
(jsc#SLE-16402 jsc#SLE-16497 bsc#1176109 ltc#187964).
- qed: fix error return code in qed_iwarp_ll2_start() (bsc#1050536
bsc#1050545).
- qed: suppress "do not support RoCE & iWARP" flooding on HW
init
(bsc#1050536 bsc#1050545).
- qed: suppress false-positives interrupt error messages on HW init
(bsc#1136460 jsc#SLE-4691 bsc#1136461 jsc#SLE-4692).
- quota: clear padding in v2r1_mem2diskdqb() (bsc#1179714).
- RDMA/bnxt_re: Fix lifetimes in bnxt_re_task (bsc#1111666)
- RDMA/bnxt_re: Fix Send Work Entry state check while polling completions
(bsc#1111666)
- RDMA/bnxt_re: Fix sizeof mismatch for allocation of pbl_tbl.
(bsc#1111666)
- RDMA/bnxt_re: Fix stack-out-of-bounds in bnxt_qplib_rcfw_send_message
(bsc#1111666)
- RDMA/cma: add missed unregister_pernet_subsys in init failure
(bsc#1111666)
- RDMA/cm: Add missing locking around id.state in cm_dup_req_handler
(bsc#1111666)
- RDMA/cma: Fix false error message (bsc#1111666)
- RDMA/cma: fix null-ptr-deref Read in cma_cleanup (bsc#1111666)
- RDMA/cma: Protect bind_list and listen_list while finding matching cm id
(bsc#1111666)
- RDMA/cm: Fix checking for allowed duplicate listens (bsc#1111666)
- RDMA/cm: Remove a race freeing timewait_info (bsc#1111666)
- RDMA/cm: Update num_paths in cma_resolve_iboe_route error flow
(bsc#1111666)
- RDMA/core: Do not depend device ODP capabilities on kconfig option
(bsc#1111666)
- RDMA/core: Fix invalid memory access in spec_filter_size (bsc#1111666)
- RDMA/core: Fix locking in ib_uverbs_event_read (bsc#1111666)
- RDMA/core: Fix protection fault in ib_mr_pool_destroy (bsc#1111666)
- RDMA/core: Fix race between destroy and release FD object (bsc#1111666)
- RDMA/core: Fix race when resolving IP address (bsc#1111666)
- RDMA/core: Prevent mixed use of FDs between shared ufiles (bsc#1111666)
- RDMA/cxgb3: Delete and properly mark unimplemented resize CQ function
(bsc#1111666)
- RDMA: Directly cast the sockaddr union to sockaddr (bsc#1111666)
- RDMA/hns: Correct the value of HNS_ROCE_HEM_CHUNK_LEN (bsc#1111666)
- RDMA/hns: Correct typo of hns_roce_create_cq() (bsc#1111666)
- RDMA/hns: Remove unsupported modify_port callback (bsc#1111666)
- RDMA/hns: Set the unsupported wr opcode (bsc#1111666)
- RDMA/i40iw: fix a potential NULL pointer dereference (bsc#1111666)
- RDMA/i40iw: Set queue pair state when being queried (bsc#1111666)
- RDMA/ipoib: Fix ABBA deadlock with ipoib_reap_ah() (bsc#1111666)
- RDMA/ipoib: Remove check for ETH_SS_TEST (bsc#1111666)
- RDMA/ipoib: Return void from ipoib_ib_dev_stop() (bsc#1111666)
- RDMA/ipoib: Set rtnl_link_ops for ipoib interfaces (bsc#1111666)
- RDMA/iwcm: Fix a lock inversion issue (bsc#1111666)
- RDMA/iwcm: Fix iwcm work deallocation (bsc#1111666)
- RDMA/iwcm: move iw_rem_ref() calls out of spinlock (bsc#1111666)
- RDMA/iw_cxgb4: Avoid freeing skb twice in arp failure case (bsc#1111666)
- RDMA/iw_cxgb4: Fix the unchecked ep dereference (bsc#1111666)
- RDMA/mad: Fix possible memory leak in ib_mad_post_receive_mads()
(bsc#1111666)
- RDMA/mlx4: Initialize ib_spec on the stack (bsc#1111666)
- RDMA/mlx4: Read pkey table length instead of hardcoded value
(bsc#1111666)
- RDMA/mlx5: Clear old rate limit when closing QP (bsc#1111666)
- RDMA/mlx5: Delete unreachable handle_atomic code by simplifying SW
completion (bsc#1111666)
- RDMA/mlx5: Fix access to wrong pointer while performing flush due to
error (bsc#1111666)
- RDMA/mlx5: Fix a race with mlx5_ib_update_xlt on an implicit MR
(bsc#1111666)
- RDMA/mlx5: Fix function name typo 'fileds' -> 'fields'
(bsc#1111666)
- RDMA/mlx5: Return proper error value (bsc#1111666)
- RDMA/mlx5: Set GRH fields in query QP on RoCE (bsc#1111666)
- RDMA/mlx5: Verify that QP is created with RQ or SQ (bsc#1111666)
- RDMA/nes: Remove second wait queue initialization call (bsc#1111666)
- RDMA/netlink: Do not always generate an ACK for some netlink operations
(bsc#1111666)
- RDMA/ocrdma: Fix out of bounds index check in query pkey (bsc#1111666)
- RDMA/ocrdma: Remove unsupported modify_port callback (bsc#1111666)
- RDMA/pvrdma: Fix missing pci disable in pvrdma_pci_probe() (bsc#1111666)
- RDMA/qedr: Endianness warnings cleanup (bsc#1111666)
- RDMA/qedr: Fix doorbell setting (bsc#1111666)
- RDMA/qedr: Fix KASAN: use-after-free in ucma_event_handler+0x532
(bsc#1050545).
- RDMA/qedr: Fix memory leak in iWARP CM (bsc#1050545 ).
- RDMA/qedr: Fix memory leak in user qp and mr (bsc#1111666)
- RDMA/qedr: Fix reported firmware version (bsc#1111666)
- RDMA/qedr: Fix use of uninitialized field (bsc#1111666)
- RDMA/qedr: Remove unsupported modify_port callback (bsc#1111666)
- RDMA/qedr: SRQ's bug fixes (bsc#1111666)
- RDMA/qib: Delete extra line (bsc#1111666)
- RDMA/qib: Remove all occurrences of BUG_ON() (bsc#1111666)
- RDMA/qib: Validate ->show()/store() callbacks before calling them
(bsc#1111666)
- RDMA/rxe: Drop pointless checks in rxe_init_ports (bsc#1111666)
- RDMA/rxe: Fill in wc byte_len with IB_WC_RECV_RDMA_WITH_IMM (bsc#1111666)
- RDMA/rxe: Fix configuration of atomic queue pair attributes (bsc#1111666)
- RDMA/rxe: Fix memleak in rxe_mem_init_user (bsc#1111666)
- RDMA/rxe: Fix slab-out-bounds access which lead to kernel crash later
(bsc#1111666)
- RDMA/rxe: Fix soft lockup problem due to using tasklets in softirq
(bsc#1111666)
- RDMA/rxe: Fix the parent sysfs read when the interface has 15 chars
(bsc#1111666)
- RDMA/rxe: Prevent access to wr->next ptr afrer wr is posted to send
queue (bsc#1111666)
- RDMA/rxe: Remove unused rxe_mem_map_pages (bsc#1111666)
- RDMA/rxe: Remove useless rxe_init_device_param assignments (bsc#1111666)
- RDMA/rxe: Return void from rxe_init_port_param() (bsc#1111666)
- RDMA/rxe: Return void from rxe_mem_init_dma() (bsc#1111666)
- RDMA/rxe: Set default vendor ID (bsc#1111666)
- RDMA/rxe: Set sys_image_guid to be aligned with HW IB devices
(bsc#1111666)
- RDMA/rxe: Skip dgid check in loopback mode (bsc#1111666)
- RDMA/rxe: Use for_each_sg_page iterator on umem SGL (bsc#1111666)
- RDMA/srp: Rework SCSI device reset handling (bsc#1111666)
- RDMA/srpt: Fix typo in srpt_unregister_mad_agent docstring (bsc#1111666)
- RDMA/srpt: Report the SCSI residual to the initiator (bsc#1111666)
- RDMA/ucma: Add missing locking around rdma_leave_multicast()
(bsc#1111666)
- RDMA/ucma: Put a lock around every call to the rdma_cm layer
(bsc#1111666)
- RDMA/uverbs: Make the event_queue fds return POLLERR when disassociated
(bsc#1111666)
- RDMA/vmw_pvrdma: Fix memory leak on pvrdma_pci_remove (bsc#1111666)
- RDMA/vmw_pvrdma: Use atomic memory allocation in create AH (bsc#1111666)
- reboot: fix overflow parsing reboot cpu number (bsc#1179421).
- regulator: avoid resolve_supply() infinite recursion (git-fixes).
- regulator: fix memory leak with repeated set_machine_constraints()
(git-fixes).
- regulator: ti-abb: Fix array out of bound read access on the first
transition (git-fixes).
- regulator: workaround self-referent regulators (git-fixes).
- reiserfs: Fix oops during mount (bsc#1179715).
- reiserfs: Initialize inode keys properly (bsc#1179713).
- Revert "cdc-acm: hardening against malicious devices" (git-fixes).
- Revert "kernel/reboot.c: convert simple_strtoul to kstrtoint"
(bsc#1179418).
- RMDA/cm: Fix missing ib_cm_destroy_id() in ib_cm_insert_listen()
(bsc#1111666)
- rxe: correctly calculate iCRC for unaligned payloads (bsc#1111666)
- rxe: fix error completion wr_id and qp_num (bsc#1111666)
- s390/bpf: Fix multiple tail calls (git-fixes).
- s390/cio: add cond_resched() in the slow_eval_known_fn() loop
(bsc#1177805 LTC#188737).
- s390/cpuinfo: show processor physical address (git-fixes).
- s390/cpum_cf,perf: change DFLT_CCERROR counter name (bsc#1175916
LTC#187937).
- s390/cpum_sf.c: fix file permission for cpum_sfb_size (git-fixes).
- s390/dasd: fix null pointer dereference for ERP requests (git-fixes).
- s390/dasd: Fix zero write for FBA devices (bsc#1177808 LTC#188739).
- s390: kernel/uv: handle length extension properly (bsc#1178940
LTC#189323).
- s390/pci: fix CPU address in MSI for directed IRQ (git-fixes).
- s390/qeth: fix af_iucv notification race (git-fixes).
- s390/qeth: fix tear down of async TX buffers (git-fixes).
- s390/qeth: make af_iucv TX notification call more robust (git-fixes).
- s390/stp: add locking to sysfs functions (git-fixes).
- s390/zcrypt: Fix ZCRYPT_PERDEV_REQCNT ioctl (git-fixes).
- sched/core: Fix PI boosting between RT and DEADLINE tasks (bsc#1112178).
- sched/x86: SaveFLAGS on context switch (bsc#1112178).
- scripts/git_sort/git_sort.py: add ceph maintainers git tree
- scsi: lpfc: Fix initial FLOGI failure due to BBSCN not supported
(git-fixes).
- scsi: RDMA/srpt: Fix a credit leak for aborted commands (bsc#1111666)
- SMB3: Honor 'handletimeout' flag for multiuser mounts
(bsc#1176558).
- SMB3: Honor lease disabling for multiuser mounts (git-fixes).
- SMB3: Honor 'posix' flag for multiuser mounts (bsc#1176559).
- splice: only read in as much information as there is pipe buffer space
(bsc#1179520).
- Staging: rtl8188eu: rtw_mlme: Fix uninitialized variable authmode
(git-fixes).
- staging: rtl8723bs: Add 024c:0627 to the list of SDIO device-ids
(git-fixes).
- SUNRPC: fix copying of multiple pages in gss_read_proxy_verf()
(bsc#1103992).
- svcrdma: fix bounce buffers for unaligned offsets and multiple pages
(bsc#1103992).
- svcrdma: Fix page leak in svc_rdma_recv_read_chunk() (bsc#1103992).
- tcp: Set INET_ECN_xmit configuration in tcp_reinit_congestion_control
(bsc#1109837).
- time: Prevent undefined behaviour in timespec64_to_ns() (git-fixes).
- tracing: Fix out of bounds write in get_trace_buf (bsc#1179403).
- tty: Fix ->pgrp locking in tiocspgrp() (git-fixes).
- tty: serial: imx: keep console clocks always on (git-fixes).
- Update references in patches.suse/net-smc-tolerate-future-smcd-versions
(bsc#1172542 LTC#186070 git-fixes).
- USB: cdc-acm: Add DISABLE_ECHO for Renesas USB Download mode (git-fixes).
- USB: core: driver: fix stray tabs in error messages (git-fixes).
- USB: core: Fix regression in Hercules audio card (git-fixes).
- USB: gadget: f_fs: Use local copy of descriptors for userspace copy
(git-fixes).
- USB: gadget: Fix memleak in gadgetfs_fill_super (git-fixes).
- USB: gadget: f_midi: Fix memleak in f_midi_alloc (git-fixes).
- USB: host: ehci-tegra: Fix error handling in tegra_ehci_probe()
(git-fixes).
- USB: host: xhci-mtk: avoid runtime suspend when removing hcd (git-fixes).
- USB: serial: cyberjack: fix write-URB completion race (git-fixes).
- USB: serial: ftdi_sio: add support for FreeCalypso JTAG+UART adapters
(git-fixes).
- USB: serial: kl5kUSB105: fix memleak on open (git-fixes).
- USB: serial: option: add Cellient MPL200 card (git-fixes).
- USB: serial: option: Add Telit FT980-KS composition (git-fixes).
- USB: serial: option: fix Quectel BG96 matching (git-fixes).
- USB: serial: pl2303: add device-id for HP GC device (git-fixes).
- usermodehelper: reset umask to default before executing user process
(bsc#1179406).
- video: hyperv_fb: Fix the cache type when mapping the VRAM (git-fixes).
- x86/hyperv: Clarify comment on x2apic mode (git-fixes).
- x86/hyperv: Make vapic support x2apic mode (git-fixes).
- x86/microcode/intel: Check patch signature before saving microcode for
early loading (bsc#1112178).
- x86/PCI: Avoid AMD FCH XHCI USB PME# from D0 defect (git-fixes).
- x86/PCI: Fix intel_mid_pci.c build error when ACPI is not enabled
(git-fixes).
- x86/PCI: Mark Intel C620 MROMs as having non-compliant BARs (git-fixes).
- x86/resctrl: Add necessary kernfs_put() calls to prevent refcount leak
(bsc#1112178).
- x86/resctrl: Remove superfluous kernfs_get() calls to prevent refcount
leak (bsc#1112178).
- x86/speculation: Allow IBPB to be conditionally enabled on CPUs with
always-on STIBP (bsc#1112178).
- x86/speculation: Fix prctl() when spectre_v2_user={seccomp,prctl},ibpb
(bsc#1112178).
- x86/sysfb_efi: Add quirks for some devices with swapped width and height
(git-fixes).
- xfrm: Fix memleak on xfrm state destroy (bsc#1158775).
- xfs: revert "xfs: fix rmap key and record comparison functions"
(git-fixes).

Special Instructions and Notes:

Please reboot the system after installing this update.

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation
methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- SUSE Linux Enterprise Module for Realtime 15-SP1:

zypper in -t patch SUSE-SLE-Module-RT-15-SP1-2020-3798=1

Package List:

- SUSE Linux Enterprise Module for Realtime 15-SP1 (x86_64):

cluster-md-kmp-rt-4.12.14-14.44.2
cluster-md-kmp-rt-debuginfo-4.12.14-14.44.2
dlm-kmp-rt-4.12.14-14.44.2
dlm-kmp-rt-debuginfo-4.12.14-14.44.2
gfs2-kmp-rt-4.12.14-14.44.2
gfs2-kmp-rt-debuginfo-4.12.14-14.44.2
kernel-rt-4.12.14-14.44.2
kernel-rt-base-4.12.14-14.44.2
kernel-rt-base-debuginfo-4.12.14-14.44.2
kernel-rt-debuginfo-4.12.14-14.44.2
kernel-rt-debugsource-4.12.14-14.44.2
kernel-rt-devel-4.12.14-14.44.2
kernel-rt-devel-debuginfo-4.12.14-14.44.2
kernel-rt_debug-debuginfo-4.12.14-14.44.2
kernel-rt_debug-debugsource-4.12.14-14.44.2
kernel-rt_debug-devel-4.12.14-14.44.2
kernel-rt_debug-devel-debuginfo-4.12.14-14.44.2
kernel-syms-rt-4.12.14-14.44.2
ocfs2-kmp-rt-4.12.14-14.44.2
ocfs2-kmp-rt-debuginfo-4.12.14-14.44.2

- SUSE Linux Enterprise Module for Realtime 15-SP1 (noarch):

kernel-devel-rt-4.12.14-14.44.2
kernel-source-rt-4.12.14-14.44.2

References:

https://www.suse.com/security/cve/CVE-2018-20669.html
https://www.suse.com/security/cve/CVE-2019-20934.html
https://www.suse.com/security/cve/CVE-2020-15436.html
https://www.suse.com/security/cve/CVE-2020-15437.html
https://www.suse.com/security/cve/CVE-2020-25669.html
https://www.suse.com/security/cve/CVE-2020-27777.html
https://www.suse.com/security/cve/CVE-2020-27786.html
https://www.suse.com/security/cve/CVE-2020-28915.html
https://www.suse.com/security/cve/CVE-2020-28974.html
https://www.suse.com/security/cve/CVE-2020-29371.html
https://www.suse.com/security/cve/CVE-2020-4788.html
https://bugzilla.suse.com/1050242
https://bugzilla.suse.com/1050536
https://bugzilla.suse.com/1050545
https://bugzilla.suse.com/1050549
https://bugzilla.suse.com/1056653
https://bugzilla.suse.com/1056657
https://bugzilla.suse.com/1056787
https://bugzilla.suse.com/1064802
https://bugzilla.suse.com/1066129
https://bugzilla.suse.com/1067665
https://bugzilla.suse.com/1103990
https://bugzilla.suse.com/1103992
https://bugzilla.suse.com/1104389
https://bugzilla.suse.com/1104393
https://bugzilla.suse.com/1109837
https://bugzilla.suse.com/1110096
https://bugzilla.suse.com/1111666
https://bugzilla.suse.com/1112178
https://bugzilla.suse.com/1112374
https://bugzilla.suse.com/1118657
https://bugzilla.suse.com/1122971
https://bugzilla.suse.com/1136460
https://bugzilla.suse.com/1136461
https://bugzilla.suse.com/1139944
https://bugzilla.suse.com/1158775
https://bugzilla.suse.com/1170139
https://bugzilla.suse.com/1170630
https://bugzilla.suse.com/1172542
https://bugzilla.suse.com/1172694
https://bugzilla.suse.com/1174726
https://bugzilla.suse.com/1174852
https://bugzilla.suse.com/1175916
https://bugzilla.suse.com/1176109
https://bugzilla.suse.com/1176558
https://bugzilla.suse.com/1176559
https://bugzilla.suse.com/1176956
https://bugzilla.suse.com/1177304
https://bugzilla.suse.com/1177397
https://bugzilla.suse.com/1177666
https://bugzilla.suse.com/1177805
https://bugzilla.suse.com/1177808
https://bugzilla.suse.com/1177819
https://bugzilla.suse.com/1177820
https://bugzilla.suse.com/1178182
https://bugzilla.suse.com/1178270
https://bugzilla.suse.com/1178589
https://bugzilla.suse.com/1178590
https://bugzilla.suse.com/1178634
https://bugzilla.suse.com/1178635
https://bugzilla.suse.com/1178669
https://bugzilla.suse.com/1178853
https://bugzilla.suse.com/1178854
https://bugzilla.suse.com/1178878
https://bugzilla.suse.com/1178886
https://bugzilla.suse.com/1178897
https://bugzilla.suse.com/1178940
https://bugzilla.suse.com/1178962
https://bugzilla.suse.com/1179107
https://bugzilla.suse.com/1179140
https://bugzilla.suse.com/1179141
https://bugzilla.suse.com/1179204
https://bugzilla.suse.com/1179211
https://bugzilla.suse.com/1179213
https://bugzilla.suse.com/1179259
https://bugzilla.suse.com/1179403
https://bugzilla.suse.com/1179406
https://bugzilla.suse.com/1179418
https://bugzilla.suse.com/1179419
https://bugzilla.suse.com/1179421
https://bugzilla.suse.com/1179424
https://bugzilla.suse.com/1179426
https://bugzilla.suse.com/1179427
https://bugzilla.suse.com/1179429
https://bugzilla.suse.com/1179520
https://bugzilla.suse.com/1179578
https://bugzilla.suse.com/1179601
https://bugzilla.suse.com/1179616
https://bugzilla.suse.com/1179663
https://bugzilla.suse.com/1179666
https://bugzilla.suse.com/1179670
https://bugzilla.suse.com/1179671
https://bugzilla.suse.com/1179672
https://bugzilla.suse.com/1179673
https://bugzilla.suse.com/1179711
https://bugzilla.suse.com/1179713
https://bugzilla.suse.com/1179714
https://bugzilla.suse.com/1179715
https://bugzilla.suse.com/1179716
https://bugzilla.suse.com/1179722
https://bugzilla.suse.com/1179723
https://bugzilla.suse.com/1179724