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[security-announce] SUSE-SU-2016:1707-1: important: Security update for the Linux Kernel

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SUSE Security Update: Security update for the Linux Kernel

______________________________________________________________________________

 

Announcement ID: SUSE-SU-2016:1707-1

Rating: important

References: #898592 #940413 #946122 #949752 #956852 #957988

#957990 #959381 #960458 #961512 #963998 #965319

#965860 #965923 #967863 #968010 #968018 #968141

#968566 #968670 #968687 #969356 #970504 #970892

#970909 #970911 #970948 #970956 #970958 #970970

#971124 #971125 #971360 #971433 #971729 #972363

#973237 #973378 #973556 #973570 #975772 #975945

 

Cross-References: CVE-2015-1339 CVE-2015-7566 CVE-2015-8551

CVE-2015-8552 CVE-2015-8816 CVE-2016-2143

CVE-2016-2184 CVE-2016-2185 CVE-2016-2186

CVE-2016-2188 CVE-2016-2782 CVE-2016-2847

CVE-2016-3137 CVE-2016-3138 CVE-2016-3139

CVE-2016-3140 CVE-2016-3156

Affected Products:

SUSE Linux Enterprise Real Time Extension 11-SP4

SUSE Linux Enterprise Debuginfo 11-SP4

______________________________________________________________________________

 

An update that solves 17 vulnerabilities and has 25 fixes

is now available.

 

Description:

 

 

The SUSE Linux Enterprise 11 SP4 Realtime kernel was updated to receive

various security and bugfixes.

 

The following security bugs were fixed:

- CVE-2015-1339: Memory leak in the cuse_channel_release function in

fs/fuse/cuse.c in the Linux kernel allowed local users to cause a denial

of service (memory consumption) or possibly have unspecified other

impact by opening /dev/cuse many times (bnc#969356).

- CVE-2015-7566: The clie_5_attach function in drivers/usb/serial/visor.c

in the Linux kernel allowed physically proximate attackers to cause a

denial of service (NULL pointer dereference and system crash) or

possibly have unspecified other impact by inserting a USB device that

lacks a bulk-out endpoint (bnc#961512).

- CVE-2015-8551: The PCI backend driver in Xen, when running on an x86

system and using Linux 3.1.x through 4.3.x as the driver domain, allowed

local guest administrators to hit BUG conditions and cause a denial of

service (NULL pointer dereference and host OS crash) by leveraging a

system with access to a passed-through MSI or MSI-X capable physical PCI

device and a crafted sequence of XEN_PCI_OP_* operations, aka "Linux

pciback missing sanity checks (bnc#957990).

- CVE-2015-8552: The PCI backend driver in Xen, when running on an x86

system and using Linux 3.1.x through 4.3.x as the driver domain, allowed

local guest administrators to generate a continuous stream

of WARN messages and cause a denial of service (disk consumption) by

leveraging a system with access to a passed-through MSI or MSI-X

capable physical PCI device and XEN_PCI_OP_enable_msi operations, aka

"Linux pciback missing sanity checks (bnc#957990).

- CVE-2015-8816: The hub_activate function in drivers/usb/core/hub.c in

the Linux kernel did not properly maintain a hub-interface data

structure, which allowed physically proximate attackers to cause a

denial of service (invalid memory access and system crash) or possibly

have unspecified

other impact by unplugging a USB hub device (bnc#968010).

- CVE-2016-2143: The fork implementation in the Linux kernel on s390

platforms mishandles the case of four page-table levels, which allowed

local users to cause a denial of service (system crash) or possibly have

unspecified other impact via a crafted application, related to

arch/s390/include/asm/mmu_context.h and arch/s390/include/asm/pgalloc.h

(bnc#970504).

- CVE-2016-2184: The create_fixed_stream_quirk function in

sound/usb/quirks.c in the snd-usb-audio driver in the Linux kernel

allowed physically proximate attackers to cause a denial of service

(NULL pointer dereference or double free, and system crash) via a

crafted endpoints value in a USB device descriptor (bnc#971125).

- CVE-2016-2185: The ati_remote2_probe function in

drivers/input/misc/ati_remote2.c in the Linux kernel allowed physically

proximate attackers to cause a denial of service (NULL pointer

dereference and system crash) via a crafted endpoints value in a USB

device descriptor (bnc#971124).

- CVE-2016-2186: The powermate_probe function in

drivers/input/misc/powermate.c in the Linux kernel allowed physically

proximate attackers to cause a denial of service (NULL pointer

dereference and system crash) via a crafted endpoints value in a USB

device descriptor (bnc#970958).

- CVE-2016-2188: The iowarrior_probe function in

drivers/usb/misc/iowarrior.c in the Linux kernel allowed physically

proximate attackers to cause a denial of service (NULL pointer

dereference and system crash) via a crafted endpoints value in a USB

device descriptor (bnc#970956).

- CVE-2016-2782: The treo_attach function in drivers/usb/serial/visor.c in

the Linux kernel allowed physically proximate attackers to cause a

denial of service (NULL pointer dereference and system crash) or

possibly have unspecified other impact by inserting a USB device that

lacks a (1) bulk-in or (2) interrupt-in endpoint (bnc#968670).

- CVE-2016-2847: fs/pipe.c in the Linux kernel did not limit the amount

of unread data in pipes, which allowed local users to cause a denial of

service (memory consumption) by creating many pipes with non-default

sizes (bnc#970948).

- CVE-2016-3137: drivers/usb/serial/cypress_m8.c in the Linux kernel

allowed physically proximate attackers to cause a denial of service

(NULL pointer dereference and system crash) via a USB device without

both an interrupt-in and an interrupt-out endpoint descriptor, related

to the cypress_generic_port_probe and cypress_open functions

(bnc#970970).

- CVE-2016-3138: The acm_probe function in drivers/usb/class/cdc-acm.c in

the Linux kernel allowed physically proximate attackers to cause a

denial of service (NULL pointer dereference and system crash) via a USB

device without both a control and a data endpoint descriptor

(bnc#970911).

- CVE-2016-3139: The wacom_probe function in

drivers/input/tablet/wacom_sys.c in the Linux kernel allowed physically

proximate attackers to cause a denial of service (NULL pointer

dereference and system crash) via a crafted endpoints value in a USB

device descriptor (bnc#970909).

- CVE-2016-3140: The digi_port_init function in

drivers/usb/serial/digi_acceleport.c in the Linux kernel allowed

physically proximate attackers to cause a denial of service (NULL

pointer dereference and system crash) via a crafted endpoints value in a

USB device descriptor (bnc#970892).

- CVE-2016-3156: The IPv4 implementation in the Linux kernel mishandles

destruction of device objects, which allowed guest OS users to cause a

denial of service (host OS networking outage) by arranging for a large

number of IP addresses (bnc#971360).

 

The following non-security bugs were fixed:

- acpi / pci: Account for ARI in _PRT lookups (bsc#968566).

- af_unix: Guard against other == sk in unix_dgram_sendmsg (bsc#973570).

- alsa: pcm: Fix potential deadlock in OSS emulation (bsc#968018).

- alsa: rawmidi: Fix race at copying & up[censored] the position (bsc#968018).

- alsa: rawmidi: Make snd_rawmidi_transmit() race-free (bsc#968018).

- alsa: seq: Fix double port list deletion (bsc#968018).

- alsa: seq: Fix incorrect sanity check at snd_seq_oss_synth_cleanup()

(bsc#968018).

- alsa: seq: Fix leak of pool buffer at concurrent writes (bsc#968018).

- alsa: seq: Fix lockdep warnings due to double mutex locks (bsc#968018).

- alsa: seq: Fix race at closing in virmidi driver (bsc#968018).

- alsa: seq: Fix yet another races among ALSA timer accesses (bsc#968018).

- alsa: timer: Call notifier in the same spinlock (bsc#973378).

- alsa: timer: Code cleanup (bsc#968018).

- alsa: timer: Fix leftover link at closing (bsc#968018).

- alsa: timer: Fix link corruption due to double start or stop

(bsc#968018).

- alsa: timer: Fix race between stop and interrupt (bsc#968018).

- alsa: timer: Fix wrong instance passed to slave callbacks (bsc#968018).

- alsa: timer: Protect the whole snd_timer_close() with open race

(bsc#973378).

- alsa: timer: Sync timer deletion at closing the system timer

(bsc#973378).

- alsa: timer: Use mod_timer() for rearming the system timer (bsc#973378).

- dcache: use IS_ROOT to decide where dentry is hashed (bsc#949752).

- fs, seqfile: always allow oom killer (bnc#968687).

- fs/seq_file: fallback to vmalloc allocation (bnc#968687).

- fs, seq_file: fallback to vmalloc instead of oom kill processes

(bnc#968687).

- hpsa: fix issues with multilun devices (bsc#959381).

- ibmvscsi: Remove unsupported host config MAD (bsc#973556).

- iommu/vt-d: Improve fault handler error messages (bsc#975772).

- iommu/vt-d: Ratelimit fault handler (bsc#975772).

- ipv6: make fib6 serial number per namespace (bsc#965319).

- ipv6: mld: fix add_grhead skb_over_panic for devs with large MTUs

(bsc#956852).

- ipv6: per netns fib6 walkers (bsc#965319).

- ipv6: per netns FIB garbage collection (bsc#965319).

- ipv6: replace global gc_args with local variable (bsc#965319).

- kabi, fs/seq_file: fallback to vmalloc allocation (bnc#968687).

- kabi: Import kabi files from kernel 3.0.101-71

- kabi: protect struct netns_ipv6 after FIB6 GC series (bsc#965319).

- kabi: Restore kabi after lock-owner change (bnc#968141).

- llist: Add llist_next() (fate#316876).

- make vfree() safe to call from interrupt contexts (fate#316876).

- mld, igmp: Fix reserved tailroom calculation (bsc#956852).

- net/core: dev_mc_sync_multiple calls wrong helper (bsc#971433).

- net/core: __hw_addr_create_ex does not initialize sync_cnt (bsc#971433).

- net/core: __hw_addr_sync_one / _multiple broken (bsc#971433).

- net/core: __hw_addr_unsync_one "from" address not marked synced

(bsc#971433).

- nfs4: treat lock owners as opaque values (bnc#968141).

- nfsd4: return nfserr_symlink on v4 OPEN of non-regular file (bsc#973237).

- nfsd: do not fail unchecked creates of non-special files (bsc#973237).

- nfs: use smaller allocations for 'struct idmap' (bsc#965923).

- pciback: check PF instead of VF for PCI_COMMAND_MEMORY (bsc#957990).

- pciback: Save the number of MSI-X entries to be copied later

(bsc#957988).

- pci: Move pci_ari_enabled() to global header (bsc#968566).

- pci: Update PCI VPD size patch to upstream: - PCI: Determine actual VPD

size on first access (bsc#971729). - PCI: Update VPD definitions

(bsc#971729).

- rdma/ucma: Fix AB-BA deadlock (bsc#963998).

- s390/pageattr: Do a single TLB flush for change_page_attr (bsc#940413).

- scsi_dh_alua: Do not block request queue if workqueue is active

(bsc#960458).

- scsi: mpt2sas: Rearrange the the code so that the completion queues are

initialized prior to sending the request to controller firmware

(bsc#967863).

- skb: Add inline helper for getting the skb end offset from head

(bsc#956852).

- tcp: avoid order-1 allocations on wifi and tx path (bsc#956852).

- tcp: fix skb_availroom() (bsc#956852).

- usb: usbip: fix potential out-of-bounds write (bnc#975945).

- vmxnet3: set carrier state properly on probe (bsc#972363).

- vmxnet3: set netdev parant device before calling netdev_info

(bsc#972363).

- xfrm: do not segment UFO packets (bsc#946122).

- xfs: fix sgid inheritance for subdirectories inheriting default acls

[V3] (bsc#965860).

- xhci: Workaround to get Intel xHCI reset working more reliably

(bnc#898592).

 

 

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-rt-12636=1

 

- SUSE Linux Enterprise Debuginfo 11-SP4:

 

zypper in -t patch dbgsp4-kernel-rt-12636=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.rt130-54.1

kernel-rt-base-3.0.101.rt130-54.1

kernel-rt-devel-3.0.101.rt130-54.1

kernel-rt_trace-3.0.101.rt130-54.1

kernel-rt_trace-base-3.0.101.rt130-54.1

kernel-rt_trace-devel-3.0.101.rt130-54.1

kernel-source-rt-3.0.101.rt130-54.1

kernel-syms-rt-3.0.101.rt130-54.1

 

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

 

kernel-rt-debuginfo-3.0.101.rt130-54.1

kernel-rt-debugsource-3.0.101.rt130-54.1

kernel-rt_debug-debuginfo-3.0.101.rt130-54.1

kernel-rt_debug-debugsource-3.0.101.rt130-54.1

kernel-rt_trace-debuginfo-3.0.101.rt130-54.1

kernel-rt_trace-debugsource-3.0.101.rt130-54.1

 

 

References:

 

https://www.suse.com/security/cve/CVE-2015-1339.html

https://www.suse.com/security/cve/CVE-2015-7566.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-2015-8816.html

https://www.suse.com/security/cve/CVE-2016-2143.html

https://www.suse.com/security/cve/CVE-2016-2184.html

https://www.suse.com/security/cve/CVE-2016-2185.html

https://www.suse.com/security/cve/CVE-2016-2186.html

https://www.suse.com/security/cve/CVE-2016-2188.html

https://www.suse.com/security/cve/CVE-2016-2782.html

https://www.suse.com/security/cve/CVE-2016-2847.html

https://www.suse.com/security/cve/CVE-2016-3137.html

https://www.suse.com/security/cve/CVE-2016-3138.html

https://www.suse.com/security/cve/CVE-2016-3139.html

https://www.suse.com/security/cve/CVE-2016-3140.html

https://www.suse.com/security/cve/CVE-2016-3156.html

https://bugzilla.suse.com/898592

https://bugzilla.suse.com/940413

https://bugzilla.suse.com/946122

https://bugzilla.suse.com/949752

https://bugzilla.suse.com/956852

https://bugzilla.suse.com/957988

https://bugzilla.suse.com/957990

https://bugzilla.suse.com/959381

https://bugzilla.suse.com/960458

https://bugzilla.suse.com/961512

https://bugzilla.suse.com/963998

https://bugzilla.suse.com/965319

https://bugzilla.suse.com/965860

https://bugzilla.suse.com/965923

https://bugzilla.suse.com/967863

https://bugzilla.suse.com/968010

https://bugzilla.suse.com/968018

https://bugzilla.suse.com/968141

https://bugzilla.suse.com/968566

https://bugzilla.suse.com/968670

https://bugzilla.suse.com/968687

https://bugzilla.suse.com/969356

https://bugzilla.suse.com/970504

https://bugzilla.suse.com/970892

https://bugzilla.suse.com/970909

https://bugzilla.suse.com/970911

https://bugzilla.suse.com/970948

https://bugzilla.suse.com/970956

https://bugzilla.suse.com/970958

https://bugzilla.suse.com/970970

https://bugzilla.suse.com/971124

https://bugzilla.suse.com/971125

https://bugzilla.suse.com/971360

https://bugzilla.suse.com/971433

https://bugzilla.suse.com/971729

https://bugzilla.suse.com/972363

https://bugzilla.suse.com/973237

https://bugzilla.suse.com/973378

https://bugzilla.suse.com/973556

https://bugzilla.suse.com/973570

https://bugzilla.suse.com/975772

https://bugzilla.suse.com/975945

 

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