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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: SUSE-SU-2016:1102-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Debuginfo 11-SP4, SUSE Linux Enterprise Real Time Extension 11-SP4
Datum: Di, 19. April 2016, 22:53
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8812
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8569
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2547
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7515
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8785
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2548
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2545
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2069
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8550
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2546
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8551
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8552
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2543
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8539
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2384
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8767
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-0723
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8543
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7446
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7550
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8575
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2544
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2549
Applikationen: Linux

Originalnachricht

   SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID: SUSE-SU-2016:1102-1
Rating: important
References: #758040 #904035 #912738 #915183 #924919 #933782
#937444 #940017 #940946 #942082 #947128 #948330
#949298 #951392 #951815 #952976 #953369 #954992
#955308 #955654 #955837 #955925 #956084 #956375
#956514 #956708 #956949 #957986 #957988 #957990
#958000 #958463 #958886 #958906 #958912 #958951
#959190 #959312 #959399 #959649 #959705 #961500
#961509 #961516 #961658 #962965 #963276 #963561
#963765 #963767 #964201 #964818 #966094 #966137
#966437 #966693 #967042 #967972 #967973 #967974
#967975 #968011 #968012 #968013 #969307 #969571

Cross-References: CVE-2013-7446 CVE-2015-7515 CVE-2015-7550
CVE-2015-8539 CVE-2015-8543 CVE-2015-8550
CVE-2015-8551 CVE-2015-8552 CVE-2015-8569
CVE-2015-8575 CVE-2015-8767 CVE-2015-8785
CVE-2015-8812 CVE-2016-0723 CVE-2016-2069
CVE-2016-2384 CVE-2016-2543 CVE-2016-2544
CVE-2016-2545 CVE-2016-2546 CVE-2016-2547
CVE-2016-2548 CVE-2016-2549
Affected Products:
SUSE Linux Enterprise Real Time Extension 11-SP4
SUSE Linux Enterprise Debuginfo 11-SP4
______________________________________________________________________________

An update that solves 23 vulnerabilities and has 43 fixes
is now available.

Description:


The SUSE Linux Enterprise 11 SP4 RT kernel was updated to receive various
security and bugfixes.

Following feature was added to kernel-xen:
- A improved XEN blkfront module was added, which allows more I/O
bandwidth. (FATE#320200) It is called xen-blkfront in PV, and
xen-vbd-upstream in HVM mode.

The following security bugs were fixed:
- CVE-2013-7446: Use-after-free vulnerability in net/unix/af_unix.c in the
Linux kernel allowed local users to bypass intended AF_UNIX socket
permissions or cause a denial of service (panic) via crafted epoll_ctl
calls (bnc#955654).
- CVE-2015-7515: An out of bounds memory access in the aiptek USB driver
could be used by physical local attackers to crash the kernel
(bnc#956708).
- CVE-2015-7550: The keyctl_read_key function in security/keys/keyctl.c in
the Linux kernel did not properly use a semaphore, which allowed local
users to cause a denial of service (NULL pointer dereference and system
crash) or possibly have unspecified other impact via a crafted
application that leverages a race condition between keyctl_revoke and
keyctl_read calls (bnc#958951).
- CVE-2015-8539: The KEYS subsystem in the Linux kernel allowed local
users to gain privileges or cause a denial of service (BUG) via crafted
keyctl commands that negatively instantiate a key, related to
security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c, and
security/keys/user_defined.c (bnc#958463).
- CVE-2015-8543: The networking implementation in the Linux kernel did not
validate protocol identifiers for certain protocol families, which
allowed local users to cause a denial of service (NULL function pointer
dereference and system crash) or possibly gain privileges by leveraging
CLONE_NEWUSER support to execute a crafted SOCK_RAW application
(bnc#958886).
- CVE-2015-8550: Compiler optimizations in the XEN PV backend drivers
could have lead to double fetch vulnerabilities, causing denial of
service
or arbitrary code execution (depending on the configuration)
(bsc#957988).
- CVE-2015-8551, CVE-2015-8552: xen/pciback: For
XEN_PCI_OP_disable_msi[|x] only disable if device has MSI(X) enabled
(bsc#957990).
- CVE-2015-8569: The (1) pptp_bind and (2) pptp_connect functions in
drivers/net/ppp/pptp.c in the Linux kernel did not verify an address
length, which allowed local users to obtain sensitive information from
kernel memory and bypass the KASLR protection mechanism via a crafted
application (bnc#959190).
- CVE-2015-8575: The sco_sock_bind function in net/bluetooth/sco.c in the
Linux kernel did not verify an address length, which allowed local users
to obtain sensitive information from kernel memory and bypass the KASLR
protection mechanism via a crafted application (bnc#959190 bnc#959399).
- CVE-2015-8767: net/sctp/sm_sideeffect.c in the Linux kernel did not
properly manage the relationship between a lock and a socket, which
allowed local users to cause a denial of service (deadlock) via a
crafted sctp_accept call (bnc#961509).
- CVE-2015-8785: The fuse_fill_write_pages function in fs/fuse/file.c in
the Linux kernel allowed local users to cause a denial of service
(infinite loop) via a writev system call that triggers a zero length for
the first segment of an iov (bnc#963765).
- CVE-2015-8812: A use-after-free flaw was found in the CXGB3 kernel
driver when the network was considered to be congested. This could be
used by local attackers to cause machine crashes or potentially code
execution (bsc#966437).
- CVE-2016-0723: Race condition in the tty_ioctl function in
drivers/tty/tty_io.c in the Linux kernel allowed local users to obtain
sensitive information from kernel memory or cause a denial of service
(use-after-free and system crash) by making a TIOCGETD ioctl call during
processing of a TIOCSETD ioctl call (bnc#961500).
- CVE-2016-2069: Race conditions in TLB syncing was fixed which could leak
to information leaks (bnc#963767).
- CVE-2016-2384: Removed a double free in the ALSA usb-audio driver in the
umidi object which could lead to crashes (bsc#966693).
- CVE-2016-2543: Added a missing NULL check at remove_events ioctl in ALSA
that could lead to crashes. (bsc#967972).
- CVE-2016-2544, CVE-2016-2545, CVE-2016-2546, CVE-2016-2547,
CVE-2016-2548, CVE-2016-2549: Various race conditions in ALSAs timer
handling were fixed. (bsc#967975, bsc#967974, bsc#967973, bsc#968011,
bsc#968012, bsc#968013).

The following non-security bugs were fixed:
- Add /etc/modprobe.d/50-xen.conf selecting Xen frontend driver
implementation (bsc#957986, bsc#956084, bsc#961658).
- alsa: hda - Add one more node in the EAPD supporting candidate list
(bsc#963561).
- alsa: hda - Apply clock gate workaround to Skylake, too (bsc#966137).
- alsa: hda - disable dynamic clock gating on Broxton before reset
(bsc#966137).
- alsa: hda - Fix playback noise with 24/32 bit sample size on BXT
(bsc#966137).
- blktap: also call blkif_disconnect() when frontend switched to closed
(bsc#952976).
- blktap: refine mm tracking (bsc#952976).
- block: Always check queue limits for cloned requests (bsc#933782).
- block: xen-blkfront: Fix possible NULL ptr dereference (bsc#961658
fate#320200).
- bnx2x: Add new device ids under the Qlogic vendor (bsc#964818).
- bnx2x: Alloc 4k fragment for each rx ring buffer element (bsc#953369).
- bnx2x: fix DMA API usage (bsc#953369).
- driver core: Add BUS_NOTIFY_REMOVED_DEVICE event (bnc#962965).
- drivers: xen-blkfront: only talk_to_blkback() when in
XenbusStateInitialising (bsc#961658 fate#320200).
- driver: xen-blkfront: move talk_to_blkback to a more suitable place
(bsc#961658 fate#320200).
- drm/i915: Change semantics of hw_contexts_disabled (bsc#963276).
- drm/i915: Evict CS TLBs between batches (bsc#758040).
- drm/i915: Fix SRC_COPY width on 830/845g (bsc#758040).
- e1000e: Do not read ICR in Other interrupt (bsc#924919).
- e1000e: Do not write lsc to ics in msi-x mode (bsc#924919).
- e1000e: Fix msi-x interrupt automask (bsc#924919).
- e1000e: Remove unreachable code (bsc#924919).
- ec2: Update kabi files and start tracking ec2
- ext3: fix data=journal fast mount/umount hang (bsc#942082).
- ext3: NULL dereference in ext3_evict_inode() (bsc#942082).
- firmware: Create directories for external firmware (bsc#959312).
- firmware: Simplify directory creation (bsc#959312).
- Fix handling of re-write-before-commit for mmapped NFS pages
(bsc#964201).
- ftdi_sio: private backport of TIOCMIWAIT (bnc#956375).
- iommu/vt-d: Do not change dma domain on dma-mask change (bsc#955925).
- jbd: Fix unreclaimed pages after truncate in data=journal mode
(bsc#961516).
- kabi/severities: Add exception for bnx2x_schedule_sp_rtnl() There is no
external, 3rd party modules use the symbol and the
bnx2x_schedule_sp_rtnl symbol is only used in the bnx2x driver.
(bsc#953369)
- kbuild: create directory for dir/file.o (bsc#959312).
- llist/xen-blkfront: implement safe version of llist_for_each_entry
(bsc#961658 fate#320200).
- lpfc: Fix null ndlp dereference in target_reset_handler (bsc#951392).
- memcg: do not hang on OOM when killed by userspace OOM access to memory
reserves (bnc#969571).
- mm-memcg-print-statistics-from-live-counters-fix (bnc#969307).
- nfsv4: Recovery of recalled read delegations is broken (bsc#956514).
- nvme: Clear BIO_SEG_VALID flag in nvme_bio_split() (bsc#954992).
- nvme: default to 4k device page size (bsc#967042).
- pci: leave MEM and IO decoding disabled during 64-bit BAR sizing, too
(bsc#951815).
- pci: Update VPD size with correct length (bsc#958906).
- pl2303: fix TIOCMIWAIT (bnc#959649).
- pl2303: introduce private disconnect method (bnc#959649).
- qeth: initialize net_device with carrier off (bnc#958000, LTC#136514).
- Refresh patches.xen/xen3-08-x86-ldt-make-modify_ldt-synchronous.patch
(bsc#959705).
- Refresh patches.xen/xen-vscsi-large-requests (refine fix and also
address bsc#966094).
- rt: v3.0-rt relevant @stable-rt patches from v3.2-rt rt111 update
- s390/cio: collect format 1 channel-path description data (bnc#958000,
LTC#136434).
- s390/cio: ensure consistent measurement state (bnc#958000, LTC#136434).
- s390/cio: fix measurement characteristics memleak (bnc#958000,
LTC#136434).
- s390/cio: update measurement characteristics (bnc#958000, LTC#136434).
- s390/dasd: fix failfast for disconnected devices (bnc#958000,
LTC#135138).
- s390/sclp: Determine HSA size dynamically for zfcpdump (bnc#958000,
LTC#136143).
- s390/sclp: Move declarations for sclp_sdias into separate header file
(bnc#958000, LTC#136143).
- scsi_dh_rdac: always retry MODE SELECT on command lock violation
(bsc#956949).
- sunrpc: restore fair scheduling to priority queues (bsc#955308).
- supported.conf: Add xen-blkfront.
- tg3: 5715 does not link up when autoneg off (bsc#904035).
- Update
patches.fixes/mm-exclude-reserved-pages-from-dirtyable-memory-fix.patch
(bnc#940017, bnc#949298, bnc#947128).
- usb: ftdi_sio: fix race condition in TIOCMIWAIT, and abort of TIOCMIWAIT
when the device is removed (bnc#956375).
- usb: ftdi_sio: fix status line change handling for TIOCMIWAIT and
TIOCGICOUNT (bnc#956375).
- usb: ftdi_sio: fix tiocmget and tiocmset return values (bnc#956375).
- usb: ftdi_sio: fix tiocmget indentation (bnc#956375).
- usb: ftdi_sio: optimise chars_in_buffer (bnc#956375).
- usb: ftdi_sio: refactor modem-control status retrieval (bnc#956375).
- usb: ftdi_sio: remove unnecessary memset (bnc#956375).
- usb: ftdi_sio: use ftdi_get_modem_status in chars_in_buffer (bnc#956375).
- usb: ftdi_sio: use generic chars_in_buffer (bnc#956375).
- usb: pl2303: clean up line-status handling (bnc#959649).
- usb: pl2303: only wake up MSR queue on changes (bnc#959649).
- usb: pl2303: remove bogus delta_msr_wait wake up (bnc#959649).
- usb: serial: export usb_serial_generic_chars_in_buffer (bnc#956375).
- usb: serial: ftdi_sio: Add missing chars_in_buffer function (bnc#956375).
- vmxnet3: fix building without CONFIG_PCI_MSI (bsc#958912).
- vmxnet3: fix netpoll race condition (bsc#958912).
- xen/blkback: Persistent grant maps for xen blk drivers (bsc#961658
fate#320200).
- xen/blkback: persistent-grants fixes (bsc#961658 fate#320200).
- xen-blkfront: allow building in our Xen environment (bsc#961658
fate#320200).
- xen/blk[front|back]: Enhance discard support with secure erasing support
(bsc#961658 fate#320200).
- xen/blk[front|back]: Squash blkif_request_rw and blkif_request_discard
together (bsc#961658 fate#320200).
- xen-blkfront: check for null drvdata in blkback_changed
(XenbusStateClosing) (bsc#961658 fate#320200).
- xen-blkfront: do not add indirect pages to list when !feature_persistent
(bsc#961658 fate#320200).
- xen/blkfront: do not put bdev right after getting it (bsc#961658
fate#320200).
- xen-blkfront: drop the use of llist_for_each_entry_safe (bsc#961658
fate#320200).
- xen, blkfront: factor out flush-related checks from do_blkif_request()
(bsc#961658 fate#320200).
- xen-blkfront: fix accounting of reqs when migrating (bsc#961658
fate#320200).
- xen-blkfront: fix a deadlock while handling discard response (bsc#961658
fate#320200).
- xen/blkfront: Fix crash if backend does not follow the right states
(bsc#961658 fate#320200).
- xen-blkfront: free allocated page (bsc#961658 fate#320200).
- xen-blkfront: handle backend CLOSED without CLOSING (bsc#961658
fate#320200).
- xen-blkfront: handle bvecs with partial data (bsc#961658 fate#320200).
- xen-blkfront: Handle discard requests (bsc#961658 fate#320200).
- xen-blkfront: If no barrier or flush is supported, use invalid operation
(bsc#961658 fate#320200).
- xen-blkfront: improve aproximation of required grants per request
(bsc#961658 fate#320200).
- xen/blkfront: improve protection against issuing unsupported REQ_FUA
(bsc#961658 fate#320200).
- xen-blkfront: Introduce a 'max' module parameter to alter the
amount of
indirect segments (bsc#961658 fate#320200).
- xen-blkfront: make blkif_io_lock spinlock per-device (bsc#961658
fate#320200).
- xen-blkfront: plug device number leak in xlblk_init() error path
(bsc#961658 fate#320200).
- xen-blkfront: pre-allocate pages for requests (bsc#961658 fate#320200).
- xen-blkfront: remove frame list from blk_shadow (bsc#961658 fate#320200).
- xen/blkfront: remove redundant flush_op (bsc#961658 fate#320200).
- xen-blkfront: remove type check from blkfront_setup_discard (bsc#961658
fate#320200).
- xen-blkfront: restore the non-persistent data path (bsc#961658
fate#320200).
- xen-blkfront: revoke foreign access for grants not mapped by the backend
(bsc#961658 fate#320200).
- xen-blkfront: set blk_queue_max_hw_sectors correctly (bsc#961658
fate#320200).
- xen-blkfront: Silence pfn maybe-uninitialized warning (bsc#961658
fate#320200).
- xen-blkfront: switch from llist to list (bsc#961658 fate#320200).
- xen-blkfront: use a different scatterlist for each request (bsc#961658
fate#320200).
- xen-block: implement indirect descriptors (bsc#961658 fate#320200).
- xen: consolidate and simplify struct xenbus_driver instantiation
(bsc#961658 fate#320200).
- xen/panic/x86: Allow cpus to save registers even if they (bnc#940946).
- xen/panic/x86: Fix re-entrance problem due to panic on (bnc#937444).
- xen/pvhvm: If xen_platform_pci=0 is set do not blow up (v4) (bsc#961658
fate#320200).
- xen: Update Xen config files (enable upstream block frontend).
- xen/x86/mm: Add barriers and document switch_mm()-vs-flush
synchronization (bnc#963767).
- xen: x86: mm: drop TLB flush from ptep_set_access_flags (bsc#948330).
- xen: x86: mm: only do a local tlb flush in ptep_set_access_flags()
(bsc#948330).
- xfs: Skip dirty pages in ->releasepage (bnc#912738, bnc#915183).
- zfcp: fix fc_host port_type with NPIV (bnc#958000, LTC#132479).


Patch Instructions:

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:

- SUSE Linux Enterprise Real Time Extension 11-SP4:

zypper in -t patch slertesp4-kernel-201603-12516=1

- SUSE Linux Enterprise Debuginfo 11-SP4:

zypper in -t patch dbgsp4-kernel-201603-12516=1

To bring your system up-to-date, use "zypper patch".


Package List:

- SUSE Linux Enterprise Real Time Extension 11-SP4 (x86_64):

kernel-rt-3.0.101.rt130-51.1
kernel-rt-base-3.0.101.rt130-51.1
kernel-rt-devel-3.0.101.rt130-51.1
kernel-rt_trace-3.0.101.rt130-51.1
kernel-rt_trace-base-3.0.101.rt130-51.1
kernel-rt_trace-devel-3.0.101.rt130-51.1
kernel-source-rt-3.0.101.rt130-51.1
kernel-syms-rt-3.0.101.rt130-51.1

- SUSE Linux Enterprise Debuginfo 11-SP4 (x86_64):

kernel-rt-debuginfo-3.0.101.rt130-51.1
kernel-rt-debugsource-3.0.101.rt130-51.1
kernel-rt_debug-debuginfo-3.0.101.rt130-51.1
kernel-rt_debug-debugsource-3.0.101.rt130-51.1
kernel-rt_trace-debuginfo-3.0.101.rt130-51.1
kernel-rt_trace-debugsource-3.0.101.rt130-51.1


References:

https://www.suse.com/security/cve/CVE-2013-7446.html
https://www.suse.com/security/cve/CVE-2015-7515.html
https://www.suse.com/security/cve/CVE-2015-7550.html
https://www.suse.com/security/cve/CVE-2015-8539.html
https://www.suse.com/security/cve/CVE-2015-8543.html
https://www.suse.com/security/cve/CVE-2015-8550.html
https://www.suse.com/security/cve/CVE-2015-8551.html
https://www.suse.com/security/cve/CVE-2015-8552.html
https://www.suse.com/security/cve/CVE-2015-8569.html
https://www.suse.com/security/cve/CVE-2015-8575.html
https://www.suse.com/security/cve/CVE-2015-8767.html
https://www.suse.com/security/cve/CVE-2015-8785.html
https://www.suse.com/security/cve/CVE-2015-8812.html
https://www.suse.com/security/cve/CVE-2016-0723.html
https://www.suse.com/security/cve/CVE-2016-2069.html
https://www.suse.com/security/cve/CVE-2016-2384.html
https://www.suse.com/security/cve/CVE-2016-2543.html
https://www.suse.com/security/cve/CVE-2016-2544.html
https://www.suse.com/security/cve/CVE-2016-2545.html
https://www.suse.com/security/cve/CVE-2016-2546.html
https://www.suse.com/security/cve/CVE-2016-2547.html
https://www.suse.com/security/cve/CVE-2016-2548.html
https://www.suse.com/security/cve/CVE-2016-2549.html
https://bugzilla.suse.com/758040
https://bugzilla.suse.com/904035
https://bugzilla.suse.com/912738
https://bugzilla.suse.com/915183
https://bugzilla.suse.com/924919
https://bugzilla.suse.com/933782
https://bugzilla.suse.com/937444
https://bugzilla.suse.com/940017
https://bugzilla.suse.com/940946
https://bugzilla.suse.com/942082
https://bugzilla.suse.com/947128
https://bugzilla.suse.com/948330
https://bugzilla.suse.com/949298
https://bugzilla.suse.com/951392
https://bugzilla.suse.com/951815
https://bugzilla.suse.com/952976
https://bugzilla.suse.com/953369
https://bugzilla.suse.com/954992
https://bugzilla.suse.com/955308
https://bugzilla.suse.com/955654
https://bugzilla.suse.com/955837
https://bugzilla.suse.com/955925
https://bugzilla.suse.com/956084
https://bugzilla.suse.com/956375
https://bugzilla.suse.com/956514
https://bugzilla.suse.com/956708
https://bugzilla.suse.com/956949
https://bugzilla.suse.com/957986
https://bugzilla.suse.com/957988
https://bugzilla.suse.com/957990
https://bugzilla.suse.com/958000
https://bugzilla.suse.com/958463
https://bugzilla.suse.com/958886
https://bugzilla.suse.com/958906
https://bugzilla.suse.com/958912
https://bugzilla.suse.com/958951
https://bugzilla.suse.com/959190
https://bugzilla.suse.com/959312
https://bugzilla.suse.com/959399
https://bugzilla.suse.com/959649
https://bugzilla.suse.com/959705
https://bugzilla.suse.com/961500
https://bugzilla.suse.com/961509
https://bugzilla.suse.com/961516
https://bugzilla.suse.com/961658
https://bugzilla.suse.com/962965
https://bugzilla.suse.com/963276
https://bugzilla.suse.com/963561
https://bugzilla.suse.com/963765
https://bugzilla.suse.com/963767
https://bugzilla.suse.com/964201
https://bugzilla.suse.com/964818
https://bugzilla.suse.com/966094
https://bugzilla.suse.com/966137
https://bugzilla.suse.com/966437
https://bugzilla.suse.com/966693
https://bugzilla.suse.com/967042
https://bugzilla.suse.com/967972
https://bugzilla.suse.com/967973
https://bugzilla.suse.com/967974
https://bugzilla.suse.com/967975
https://bugzilla.suse.com/968011
https://bugzilla.suse.com/968012
https://bugzilla.suse.com/968013
https://bugzilla.suse.com/969307
https://bugzilla.suse.com/969571

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