Sicherheit: Mehrere Probleme in Linux

Lesezeichen hinzufügen

SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID: SUSE-SU-2021:1301-1
Rating: important
References: #1047233 #1065729 #1113295 #1152489 #1154353
#1155518 #1156395 #1178181 #1181507 #1183405
#1184074 #1184120 #1184194 #1184211 #1184388
#1184391 #1184393 #1184509 #1184511 #1184512
#1184514 #1184583 #1184647
Cross-References: CVE-2020-25670 CVE-2020-25671 CVE-2020-25672
CVE-2020-25673 CVE-2020-36310 CVE-2020-36311
CVE-2020-36312 CVE-2021-28950 CVE-2021-29154
CVE-2021-30002 CVE-2021-3483
CVSS scores:
CVE-2020-25670 (SUSE): 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2020-25671 (SUSE): 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2020-25672 (SUSE): 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2020-25673 (SUSE): 6.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
CVE-2020-36310 (NVD) : 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2020-36311 (NVD) : 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2020-36312 (NVD) : 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28950 (SUSE): 6.2
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2021-29154 (NVD) : 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-29154 (SUSE): 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-30002 (NVD) : 6.2
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:
SUSE Linux Enterprise Module for Public Cloud 15-SP2
______________________________________________________________________________

An update that solves 11 vulnerabilities and has 12 fixes
is now available.

Description:

The SUSE Linux Enterprise 15 SP2 Azure kernel was updated to receive
various security and bugfixes.

The following security bugs were fixed:

- CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673: Fixed
multiple bugs in NFC subsytem (bsc#1178181).
- CVE-2020-36311: Fixed a denial of service (soft lockup) by triggering
destruction of a large SEV VM (bsc#1184511).
- CVE-2021-29154: Fixed incorrect computation of branch displacements,
allowing arbitrary code execution (bsc#1184391).
- CVE-2021-30002: Fixed a memory leak for large arguments in
video_usercopy (bsc#1184120).
- CVE-2021-3483: Fixed a use-after-free in nosy.c (bsc#1184393).
- CVE-2020-36310: Fixed infinite loop for certain nested page faults
(bsc#1184512).
- CVE-2020-36312: Fixed a memory leak upon a kmalloc failure (bsc#1184509
).
- CVE-2021-28950: Fixed an issue in fs/fuse/fuse_i.h due to a retry loop
continually was finding the same bad inode (bsc#1184194).

The following non-security bugs were fixed:

- ALSA: aloop: Fix initialization of controls (git-fixes).
- ALSA: hda/realtek: Fix speaker amp setup on Acer Aspire E1 (git-fixes).
- appletalk: Fix skb allocation size in loopback case (git-fixes).
- ASoC: cygnus: fix for_each_child.cocci warnings (git-fixes).
- ASoC: fsl_esai: Fix TDM slot setup for I2S mode (git-fixes).
- ASoC: intel: atom: Remove 44100 sample-rate from the media and
deep-buffer DAI descriptions (git-fixes).
- ASoC: intel: atom: Stop advertising non working S24LE support
(git-fixes).
- ASoC: max98373: Added 30ms turn on/off time delay (git-fixes).
- ASoC: sunxi: sun4i-codec: fill ASoC card owner (git-fixes).
- ASoC: wm8960: Fix wrong bclk and lrclk with pll enabled for some chips
(git-fixes).
- ath10k: hold RCU lock when calling ieee80211_find_sta_by_ifaddr()
(git-fixes).
- atl1c: fix error return code in atl1c_probe() (git-fixes).
- atl1e: fix error return code in atl1e_probe() (git-fixes).
- batman-adv: initialize "struct
batadv_tvlv_tt_vlan_data"->reserved field
(git-fixes).
- bpf: Remove MTU check in __bpf_skb_max_len (bsc#1155518).
- brcmfmac: clear EAP/association status bits on linkdown events
(git-fixes).
- bus: ti-sysc: Fix warning on unbind if reset is not deasserted
(git-fixes).
- cifs: change noisy error message to FYI (bsc#1181507).
- cifs_debug: use %pd instead of messing with ->d_name (bsc#1181507).
- cifs: do not send close in compound create+close requests (bsc#1181507).
- cifs: New optype for session operations (bsc#1181507).
- cifs: print MIDs in decimal notation (bsc#1181507).
- cifs: return proper error code in statfs(2) (bsc#1181507).
- cifs: Tracepoints and logs for tracing credit changes (bsc#1181507).
- clk: fix invalid usage of list cursor in register (git-fixes).
- clk: fix invalid usage of list cursor in unregister (git-fixes).
- clk: socfpga: fix iomem pointer cast on 64-bit (git-fixes).
- drivers: video: fbcon: fix NULL dereference in fbcon_cursor()
(git-fixes).
- drm/amdgpu: check alignment on CPU page for bo map (git-fixes).
- drm/amdgpu: fix offset calculation in amdgpu_vm_bo_clear_mappings()
(git-fixes).
- drm/i915: Fix invalid access to ACPI _DSM objects (bsc#1184074).
- drm/msm/adreno: a5xx_power: Do not apply A540 lm_setup to other GPUs
(git-fixes).
- drm/msm: Ratelimit invalid-fence message (git-fixes).
- drm/msm: Set drvdata to NULL when msm_drm_init() fails (git-fixes).
- enetc: Fix reporting of h/w packet counters (git-fixes).
- fuse: fix bad inode (bsc#1184211).
- fuse: fix live lock in fuse_iget() (bsc#1184211).
- i40e: Fix parameters in aq_get_phy_register() (jsc#SLE-8025).
- i40e: Fix sparse error: 'vsi->netdev' could be null
(jsc#SLE-8025).
- ice: remove DCBNL_DEVRESET bit from PF state (jsc#SLE-7926).
- kABI: powerpc/pmem: Include pmem prototypes (bsc#1113295 git-fixes).
- libbpf: Fix INSTALL flag order (bsc#1155518).
- locking/mutex: Fix non debug version of mutex_lock_io_nested()
(git-fixes).
- mac80211: choose first enabled channel for monitor (git-fixes).
- mac80211: fix TXQ AC confusion (git-fixes).
- mISDN: fix crash in fritzpci (git-fixes).
- net: atheros: switch from 'pci_' to 'dma_' API
(git-fixes).
- net: b44: fix error return code in b44_init_one() (git-fixes).
- net: ethernet: ti: cpsw: fix error return code in cpsw_probe()
(git-fixes).
- net: hns3: Remove the left over redundant check & assignment
(bsc#1154353).
- net: lantiq: Wait for the GPHY firmware to be ready (git-fixes).
- net/mlx5: Fix PPLM register mapping (jsc#SLE-8464).
- net: pasemi: fix error return code in pasemi_mac_open() (git-fixes).
- net: phy: broadcom: Only advertise EEE for supported modes (git-fixes).
- net: qualcomm: rmnet: Fix incorrect receive packet handling during
cleanup (git-fixes).
- net: sched: disable TCQ_F_NOLOCK for pfifo_fast (bsc#1183405)
- net: wan/lmc: unregister device when no matching device is found
(git-fixes).
- platform/x86: intel-hid: Support Lenovo ThinkPad X1 Tablet Gen 2
(git-fixes).
- platform/x86: thinkpad_acpi: Allow the FnLock LED to change state
(git-fixes).
- PM: runtime: Fix ordering in pm_runtime_get_suppliers() (git-fixes).
- post.sh: Return an error when module update fails (bsc#1047233
bsc#1184388).
- powerpc/64s: Fix instruction encoding for lis in ppc_function_entry()
(bsc#1065729).
- powerpc/pmem: Include pmem prototypes (bsc#1113295 git-fixes).
- powerpc/pseries/ras: Remove unused variable 'status'
(bsc#1065729).
- powerpc/sstep: Check instruction validity against ISA version before
emulation (bsc#1156395).
- powerpc/sstep: Fix darn emulation (bsc#1156395).
- powerpc/sstep: Fix incorrect return from analyze_instr() (bsc#1156395).
- powerpc/sstep: Fix load-store and update emulation (bsc#1156395).
- qlcnic: fix error return code in qlcnic_83xx_restart_hw() (git-fixes).
- RAS/CEC: Correct ce_add_elem()'s returned values (bsc#1152489).
- rpm/kernel-binary.spec.in: Fix dependency of kernel-*-devel package
(bsc#1184514)
- scsi: ibmvfc: Fix invalid state machine BUG_ON() (bsc#1184647
ltc#191231).
- smb3: add dynamic trace point to trace when credits obtained
(bsc#1181507).
- smb3: fix crediting for compounding when only one request in flight
(bsc#1181507).
- soc/fsl: qbman: fix conflicting alignment attributes (git-fixes).
- thermal/core: Add NULL pointer check before using cooling device stats
(git-fixes).
- USB: cdc-acm: downgrade message to debug (git-fixes).
- USB: cdc-acm: untangle a circular dependency between callback and
softint (git-fixes).
- USBip: vhci_hcd fix shift out-of-bounds in vhci_hub_control()
(git-fixes).
- USB: quirks: ignore remote wake-up on Fibocom L850-GL LTE modem
(git-fixes).
- x86: Introduce TS_COMPAT_RESTART to fix get_nr_restart_syscall()
(bsc#1152489).
- x86/ioapic: Ignore IRQ2 again (bsc#1152489).
- x86/mem_encrypt: Correct physical address calculation in
__set_clr_pte_enc() (bsc#1152489).
- xen/events: fix setting irq affinity (bsc#1184583).

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 Public Cloud 15-SP2:

zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP2-2021-1301=1

Package List:

- SUSE Linux Enterprise Module for Public Cloud 15-SP2 (noarch):

kernel-devel-azure-5.3.18-18.44.1
kernel-source-azure-5.3.18-18.44.1

- SUSE Linux Enterprise Module for Public Cloud 15-SP2 (x86_64):

kernel-azure-5.3.18-18.44.1
kernel-azure-debuginfo-5.3.18-18.44.1
kernel-azure-debugsource-5.3.18-18.44.1
kernel-azure-devel-5.3.18-18.44.1
kernel-azure-devel-debuginfo-5.3.18-18.44.1
kernel-syms-azure-5.3.18-18.44.1

References:

https://www.suse.com/security/cve/CVE-2020-25670.html
https://www.suse.com/security/cve/CVE-2020-25671.html
https://www.suse.com/security/cve/CVE-2020-25672.html
https://www.suse.com/security/cve/CVE-2020-25673.html
https://www.suse.com/security/cve/CVE-2020-36310.html
https://www.suse.com/security/cve/CVE-2020-36311.html
https://www.suse.com/security/cve/CVE-2020-36312.html
https://www.suse.com/security/cve/CVE-2021-28950.html
https://www.suse.com/security/cve/CVE-2021-29154.html
https://www.suse.com/security/cve/CVE-2021-30002.html
https://www.suse.com/security/cve/CVE-2021-3483.html
https://bugzilla.suse.com/1047233
https://bugzilla.suse.com/1065729
https://bugzilla.suse.com/1113295
https://bugzilla.suse.com/1152489
https://bugzilla.suse.com/1154353
https://bugzilla.suse.com/1155518
https://bugzilla.suse.com/1156395
https://bugzilla.suse.com/1178181
https://bugzilla.suse.com/1181507
https://bugzilla.suse.com/1183405
https://bugzilla.suse.com/1184074
https://bugzilla.suse.com/1184120
https://bugzilla.suse.com/1184194
https://bugzilla.suse.com/1184211
https://bugzilla.suse.com/1184388
https://bugzilla.suse.com/1184391
https://bugzilla.suse.com/1184393
https://bugzilla.suse.com/1184509
https://bugzilla.suse.com/1184511
https://bugzilla.suse.com/1184512
https://bugzilla.suse.com/1184514
https://bugzilla.suse.com/1184583
https://bugzilla.suse.com/1184647