openSUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID:    openSUSE-SU-2016:3058-1
Rating:             important
References:         #1001171 #1001486 #1003925 #1004517 #1006580 
                    #1007197 #1007615 #1007653 #1008650 #1008833 
                    #1009222 #1010040 #1010150 #1010478 #1010501 
                    #1010502 #1010507 #1010909 #1011685 #1012754 
                    #1012876 #1013533 #934067 #990384 #993739 
                    #995968 #999577 #999907 
Cross-References:   CVE-2015-8956 CVE-2015-8962 CVE-2015-8963
                    CVE-2015-8964 CVE-2016-7042 CVE-2016-7097
                    CVE-2016-7913 CVE-2016-8630 CVE-2016-8633
                    CVE-2016-8646 CVE-2016-8655 CVE-2016-9083
                    CVE-2016-9084 CVE-2016-9178 CVE-2016-9555
                    CVE-2016-9794
Affected Products:
                    openSUSE Leap 42.1
______________________________________________________________________________

   An update that solves 16 vulnerabilities and has 12 fixes
   is now available.

Description:



   The openSUSE Leap 42.1 kernel was updated to 4.1.36 to receive various
   security and bugfixes.

   The following security bugs were fixed:

   - CVE-2016-8655: A race condition in the af_packet packet_set_ring
     function could be used by local attackers to crash the kernel or gain
     privileges (bsc#1012754).
   - CVE-2016-9794: A use-after-free in ALSA pcm could lead to crashes or
     allowed local users to potentially gain privileges (bsc#1013533).
   - CVE-2015-8962: Double free vulnerability in the sg_common_write function
     in drivers/scsi/sg.c in the Linux kernel allowed local users to gain
     privileges or cause a denial of service (memory corruption and system
     crash) by detaching a device during an SG_IO ioctl call (bnc#1010501).
   - CVE-2016-9178: The __get_user_asm_ex macro in
     arch/x86/include/asm/uaccess.h in the Linux kernel did not initialize a
     certain integer variable, which allowed local users to obtain sensitive
     information from kernel stack memory by triggering failure of a
     get_user_ex call (bnc#1008650).
   - CVE-2016-7913: The xc2028_set_config function in
     drivers/media/tuners/tuner-xc2028.c in the Linux kernel allowed local
     users to gain privileges or cause a denial of service (use-after-free)
     via vectors involving omission of the firmware name from a certain data
     structure (bnc#1010478).
   - CVE-2016-9555: The sctp_sf_ootb function in net/sctp/sm_statefuns.c in
     the Linux kernel lacks chunk-length checking for the first chunk, which
     allowed remote attackers to cause a denial of service (out-of-bounds
     slab access) or possibly have unspecified other impact via crafted SCTP
     data (bnc#1011685).
   - CVE-2015-8963: Race condition in kernel/events/core.c in the Linux
     kernel allowed local users to gain privileges or cause a denial of
     service (use-after-free) by leveraging incorrect handling of an swevent
     data structure during a CPU unplug operation (bnc#1010502).
   - CVE-2015-8964: The tty_set_termios_ldisc function in
     drivers/tty/tty_ldisc.c in the Linux kernel allowed local users to
     obtain sensitive information from kernel memory by reading a tty data
     structure (bnc#1010507).
   - CVE-2016-8646: The hash_accept function in crypto/algif_hash.c in the
     Linux kernel allowed local users to cause a denial of service (OOPS) by
     attempting to trigger use of in-kernel hash algorithms for a socket that
     has received zero bytes of data (bnc#1010150).
   - CVE-2016-8633: drivers/firewire/net.c in the Linux kernel in certain
     unusual hardware configurations, allowed remote attackers to execute
     arbitrary code via crafted fragmented packets (bnc#1008833).
   - CVE-2016-8630: The x86_decode_insn function in arch/x86/kvm/emulate.c in
     the Linux kernel, when KVM is enabled, allowed local users to cause a
     denial of service (host OS crash) via a certain use of a ModR/M byte in
     an undefined instruction (bnc#1009222).
   - CVE-2016-9083: drivers/vfio/pci/vfio_pci.c in the Linux kernel allowed
     local users to bypass integer overflow checks, and cause a denial of
     service (memory corruption) or have unspecified other impact, by
     leveraging access to a vfio PCI device file for a VFIO_DEVICE_SET_IRQS
     ioctl call, aka a "state machine confusion bug (bnc#1007197).
   - CVE-2016-9084: drivers/vfio/pci/vfio_pci_intrs.c in the Linux kernel
     misuses the kzalloc function, which allowed local users to cause a
     denial of service (integer overflow) or have unspecified other impact by
     leveraging access to a vfio PCI device file (bnc#1007197).
   - CVE-2016-7042: The proc_keys_show function in security/keys/proc.c in
     the Linux kernel through 4.8.2, when the GNU Compiler Collection (gcc)
     stack protector is enabled, uses an incorrect buffer size for certain
     timeout data, which allowed local users to cause a denial of service
     (stack memory corruption and panic) by reading the /proc/keys file
     (bnc#1004517).
   - CVE-2016-7097: The filesystem implementation in the Linux kernel
     preserves the setgid bit during a setxattr call, which allowed local
     users to gain group privileges by leveraging the existence of a setgid
     program with restrictions on execute permissions (bnc#995968).
   - CVE-2015-8956: The rfcomm_sock_bind function in
     net/bluetooth/rfcomm/sock.c in the Linux kernel allowed local users to
     obtain sensitive information or cause a denial of service (NULL pointer
     dereference) via vectors involving a bind system call on a Bluetooth
     RFCOMM socket (bnc#1003925).

   The following non-security bugs were fixed:

   - ata: ahci_xgene: dereferencing uninitialized pointer in probe
     (bsc#1006580).
   - blacklist.conf: add some commits (bsc#1006580)
   - bna: Add synchronization for tx ring (bsc#993739).
   - bonding: set carrier off for devices created through netlink
     (bsc#999577).
   - btrfs: deal with duplicates during extent_map insertion in
     btrfs_get_extent (bsc#1001171).
   - btrfs: deal with existing encompassing extent map in btrfs_get_extent()
     (bsc#1001171).
   - btrfs: fix extent tree corruption due to relocation (bsc#990384).
   - btrfs: fix races on root_log_ctx lists (bsc#1007653).
   - ext4: fix data exposure after a crash (bsc#1012876).
   - ext4: fix reference counting bug on block allocation error (bsc#1012876).
   - gre: Disable segmentation offloads w/ CSUM and we are encapsulated via
     FOU (bsc#1001486).
   - gro: Allow tunnel stacking in the case of FOU/GUE (bsc#1001486).
   - ipv6: send NEWLINK on RA managed/otherconf changes (bsc#934067).
   - ipv6: send only one NEWLINK when RA causes changes (bsc#934067).
   - isofs: Do not return EACCES for unknown filesystems (bsc#1012876).
   - jbd2: fix checkpoint list cleanup (bsc#1012876).
   - jbd2: Fix unreclaimed pages after truncate in data=journal mode
     (bsc#1010909).
   - locking/static_key: Fix concurrent static_key_slow_inc() (bsc#1006580).
   - mmc: Fix kabi breakage of mmc-block in 4.1.36 (stable-4.1.36).
   - posix_acl: Added fix for f2fs.
   - Revert "kbuild: add -fno-PIE" (stable-4.1.36).
   - Revert "x86/mm: Expand the exception table logic to allow new handling
     options" (stable-4.1.36).
   - tunnels: Remove encapsulation offloads on decap (bsc#1001486).
   - usbhid: add ATEN CS962 to list of quirky devices (bsc#1007615).
   - vmxnet3: Wake queue from reset work (bsc#999907).


Patch Instructions:

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

   - openSUSE Leap 42.1:

      zypper in -t patch openSUSE-2016-1428=1

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


Package List:

   - openSUSE Leap 42.1 (i686 x86_64):

      kernel-debug-4.1.36-38.1
      kernel-debug-base-4.1.36-38.1
      kernel-debug-base-debuginfo-4.1.36-38.1
      kernel-debug-debuginfo-4.1.36-38.1
      kernel-debug-debugsource-4.1.36-38.1
      kernel-debug-devel-4.1.36-38.1
      kernel-debug-devel-debuginfo-4.1.36-38.1
      kernel-ec2-4.1.36-38.1
      kernel-ec2-base-4.1.36-38.1
      kernel-ec2-base-debuginfo-4.1.36-38.1
      kernel-ec2-debuginfo-4.1.36-38.1
      kernel-ec2-debugsource-4.1.36-38.1
      kernel-ec2-devel-4.1.36-38.1
      kernel-pv-4.1.36-38.1
      kernel-pv-base-4.1.36-38.1
      kernel-pv-base-debuginfo-4.1.36-38.1
      kernel-pv-debuginfo-4.1.36-38.1
      kernel-pv-debugsource-4.1.36-38.1
      kernel-pv-devel-4.1.36-38.1
      kernel-vanilla-4.1.36-38.1
      kernel-vanilla-debuginfo-4.1.36-38.1
      kernel-vanilla-debugsource-4.1.36-38.1
      kernel-vanilla-devel-4.1.36-38.1
      kernel-xen-4.1.36-38.1
      kernel-xen-base-4.1.36-38.1
      kernel-xen-base-debuginfo-4.1.36-38.1
      kernel-xen-debuginfo-4.1.36-38.1
      kernel-xen-debugsource-4.1.36-38.1
      kernel-xen-devel-4.1.36-38.1

   - openSUSE Leap 42.1 (i586 x86_64):

      hdjmod-debugsource-1.28-28.2
      hdjmod-kmp-default-1.28_k4.1.36_38-28.2
      hdjmod-kmp-default-debuginfo-1.28_k4.1.36_38-28.2
      hdjmod-kmp-pv-1.28_k4.1.36_38-28.2
      hdjmod-kmp-pv-debuginfo-1.28_k4.1.36_38-28.2
      hdjmod-kmp-xen-1.28_k4.1.36_38-28.2
      hdjmod-kmp-xen-debuginfo-1.28_k4.1.36_38-28.2
      ipset-6.25.1-9.2
      ipset-debuginfo-6.25.1-9.2
      ipset-debugsource-6.25.1-9.2
      ipset-devel-6.25.1-9.2
      ipset-kmp-default-6.25.1_k4.1.36_38-9.2
      ipset-kmp-default-debuginfo-6.25.1_k4.1.36_38-9.2
      ipset-kmp-pv-6.25.1_k4.1.36_38-9.2
      ipset-kmp-pv-debuginfo-6.25.1_k4.1.36_38-9.2
      ipset-kmp-xen-6.25.1_k4.1.36_38-9.2
      ipset-kmp-xen-debuginfo-6.25.1_k4.1.36_38-9.2
      kernel-default-4.1.36-38.1
      kernel-default-base-4.1.36-38.1
      kernel-default-base-debuginfo-4.1.36-38.1
      kernel-default-debuginfo-4.1.36-38.1
      kernel-default-debugsource-4.1.36-38.1
      kernel-default-devel-4.1.36-38.1
      kernel-obs-build-4.1.36-38.2
      kernel-obs-build-debugsource-4.1.36-38.2
      kernel-obs-qa-4.1.36-38.1
      kernel-syms-4.1.36-38.1
      libipset3-6.25.1-9.2
      libipset3-debuginfo-6.25.1-9.2
      pcfclock-0.44-270.2
      pcfclock-debuginfo-0.44-270.2
      pcfclock-debugsource-0.44-270.2
      pcfclock-kmp-default-0.44_k4.1.36_38-270.2
      pcfclock-kmp-default-debuginfo-0.44_k4.1.36_38-270.2
      pcfclock-kmp-pv-0.44_k4.1.36_38-270.2
      pcfclock-kmp-pv-debuginfo-0.44_k4.1.36_38-270.2
      vhba-kmp-debugsource-20140928-9.2
      vhba-kmp-default-20140928_k4.1.36_38-9.2
      vhba-kmp-default-debuginfo-20140928_k4.1.36_38-9.2
      vhba-kmp-pv-20140928_k4.1.36_38-9.2
      vhba-kmp-pv-debuginfo-20140928_k4.1.36_38-9.2
      vhba-kmp-xen-20140928_k4.1.36_38-9.2
      vhba-kmp-xen-debuginfo-20140928_k4.1.36_38-9.2

   - openSUSE Leap 42.1 (noarch):

      kernel-devel-4.1.36-38.1
      kernel-docs-4.1.36-38.2
      kernel-docs-html-4.1.36-38.2
      kernel-docs-pdf-4.1.36-38.2
      kernel-macros-4.1.36-38.1
      kernel-source-4.1.36-38.1
      kernel-source-vanilla-4.1.36-38.1

   - openSUSE Leap 42.1 (x86_64):

      drbd-8.4.6-12.2
      drbd-debugsource-8.4.6-12.2
      drbd-kmp-default-8.4.6_k4.1.36_38-12.2
      drbd-kmp-default-debuginfo-8.4.6_k4.1.36_38-12.2
      drbd-kmp-pv-8.4.6_k4.1.36_38-12.2
      drbd-kmp-pv-debuginfo-8.4.6_k4.1.36_38-12.2
      drbd-kmp-xen-8.4.6_k4.1.36_38-12.2
      drbd-kmp-xen-debuginfo-8.4.6_k4.1.36_38-12.2
      lttng-modules-2.7.0-6.2
      lttng-modules-debugsource-2.7.0-6.2
      lttng-modules-kmp-default-2.7.0_k4.1.36_38-6.2
      lttng-modules-kmp-default-debuginfo-2.7.0_k4.1.36_38-6.2
      lttng-modules-kmp-pv-2.7.0_k4.1.36_38-6.2
      lttng-modules-kmp-pv-debuginfo-2.7.0_k4.1.36_38-6.2

   - openSUSE Leap 42.1 (i686):

      kernel-pae-4.1.36-38.1
      kernel-pae-base-4.1.36-38.1
      kernel-pae-base-debuginfo-4.1.36-38.1
      kernel-pae-debuginfo-4.1.36-38.1
      kernel-pae-debugsource-4.1.36-38.1
      kernel-pae-devel-4.1.36-38.1

   - openSUSE Leap 42.1 (i586):

      hdjmod-kmp-pae-1.28_k4.1.36_38-28.2
      hdjmod-kmp-pae-debuginfo-1.28_k4.1.36_38-28.2
      ipset-kmp-pae-6.25.1_k4.1.36_38-9.2
      ipset-kmp-pae-debuginfo-6.25.1_k4.1.36_38-9.2
      pcfclock-kmp-pae-0.44_k4.1.36_38-270.2
      pcfclock-kmp-pae-debuginfo-0.44_k4.1.36_38-270.2
      vhba-kmp-pae-20140928_k4.1.36_38-9.2
      vhba-kmp-pae-debuginfo-20140928_k4.1.36_38-9.2


References:

   https://www.suse.com/security/cve/CVE-2015-8956.html
   https://www.suse.com/security/cve/CVE-2015-8962.html
   https://www.suse.com/security/cve/CVE-2015-8963.html
   https://www.suse.com/security/cve/CVE-2015-8964.html
   https://www.suse.com/security/cve/CVE-2016-7042.html
   https://www.suse.com/security/cve/CVE-2016-7097.html
   https://www.suse.com/security/cve/CVE-2016-7913.html
   https://www.suse.com/security/cve/CVE-2016-8630.html
   https://www.suse.com/security/cve/CVE-2016-8633.html
   https://www.suse.com/security/cve/CVE-2016-8646.html
   https://www.suse.com/security/cve/CVE-2016-8655.html
   https://www.suse.com/security/cve/CVE-2016-9083.html
   https://www.suse.com/security/cve/CVE-2016-9084.html
   https://www.suse.com/security/cve/CVE-2016-9178.html
   https://www.suse.com/security/cve/CVE-2016-9555.html
   https://www.suse.com/security/cve/CVE-2016-9794.html
   https://bugzilla.suse.com/1001171
   https://bugzilla.suse.com/1001486
   https://bugzilla.suse.com/1003925
   https://bugzilla.suse.com/1004517
   https://bugzilla.suse.com/1006580
   https://bugzilla.suse.com/1007197
   https://bugzilla.suse.com/1007615
   https://bugzilla.suse.com/1007653
   https://bugzilla.suse.com/1008650
   https://bugzilla.suse.com/1008833
   https://bugzilla.suse.com/1009222
   https://bugzilla.suse.com/1010040
   https://bugzilla.suse.com/1010150
   https://bugzilla.suse.com/1010478
   https://bugzilla.suse.com/1010501
   https://bugzilla.suse.com/1010502
   https://bugzilla.suse.com/1010507
   https://bugzilla.suse.com/1010909
   https://bugzilla.suse.com/1011685
   https://bugzilla.suse.com/1012754
   https://bugzilla.suse.com/1012876
   https://bugzilla.suse.com/1013533
   https://bugzilla.suse.com/934067
   https://bugzilla.suse.com/990384
   https://bugzilla.suse.com/993739
   https://bugzilla.suse.com/995968
   https://bugzilla.suse.com/999577
   https://bugzilla.suse.com/999907