ESB-2018.3099 - [SUSE] linux kerenel: Root compromise - Existing account 2018-10-12

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3099
                   Security update for the Linux Kernel
                              12 October 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           linux kerenel
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Root Compromise -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-17182  

Reference:         ESB-2018.3032

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2018/suse-su-20183100-1.html

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   SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:3100-1
Rating:             important
References:         #1108399 #1109967 
Cross-References:   CVE-2018-17182
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 11-SP4
                    SUSE Linux Enterprise Server 11-SP4
                    SUSE Linux Enterprise Server 11-EXTRA
                    SUSE Linux Enterprise Debuginfo 11-SP4
______________________________________________________________________________

   An update that solves one vulnerability and has one errata
   is now available.

Description:


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

   The following security bugs were fixed:

   - CVE-2018-17182: An issue was discovered in the Linux kernel The
     vmacache_flush_all function in mm/vmacache.c mishandled sequence number
     overflows. An attacker can trigger a use-after-free (and possibly gain
     privileges) via certain thread creation, map, unmap, invalidation, and
     dereference operations (bnc#1108399).

   The following non-security bugs were fixed:

   - x86/fpu: Do not do __thread_fpu_end() if use_eager_fpu() (bnc#1109967).


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 Software Development Kit 11-SP4:

      zypper in -t patch sdksp4-kernel-20181003-13812=1

   - SUSE Linux Enterprise Server 11-SP4:

      zypper in -t patch slessp4-kernel-20181003-13812=1

   - SUSE Linux Enterprise Server 11-EXTRA:

      zypper in -t patch slexsp3-kernel-20181003-13812=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-kernel-20181003-13812=1



Package List:

   - SUSE Linux Enterprise Software Development Kit 11-SP4 (noarch):

      kernel-docs-3.0.101-108.77.1

   - SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):

      kernel-default-3.0.101-108.77.1
      kernel-default-base-3.0.101-108.77.1
      kernel-default-devel-3.0.101-108.77.1
      kernel-source-3.0.101-108.77.1
      kernel-syms-3.0.101-108.77.1
      kernel-trace-3.0.101-108.77.1
      kernel-trace-base-3.0.101-108.77.1
      kernel-trace-devel-3.0.101-108.77.1

   - SUSE Linux Enterprise Server 11-SP4 (i586 x86_64):

      kernel-ec2-3.0.101-108.77.1
      kernel-ec2-base-3.0.101-108.77.1
      kernel-ec2-devel-3.0.101-108.77.1
      kernel-xen-3.0.101-108.77.1
      kernel-xen-base-3.0.101-108.77.1
      kernel-xen-devel-3.0.101-108.77.1

   - SUSE Linux Enterprise Server 11-SP4 (ppc64):

      kernel-bigmem-3.0.101-108.77.1
      kernel-bigmem-base-3.0.101-108.77.1
      kernel-bigmem-devel-3.0.101-108.77.1
      kernel-ppc64-3.0.101-108.77.1
      kernel-ppc64-base-3.0.101-108.77.1
      kernel-ppc64-devel-3.0.101-108.77.1

   - SUSE Linux Enterprise Server 11-SP4 (s390x):

      kernel-default-man-3.0.101-108.77.1

   - SUSE Linux Enterprise Server 11-SP4 (i586):

      kernel-pae-3.0.101-108.77.1
      kernel-pae-base-3.0.101-108.77.1
      kernel-pae-devel-3.0.101-108.77.1

   - SUSE Linux Enterprise Server 11-EXTRA (i586 ia64 ppc64 s390x x86_64):

      kernel-default-extra-3.0.101-108.77.1

   - SUSE Linux Enterprise Server 11-EXTRA (i586 x86_64):

      kernel-xen-extra-3.0.101-108.77.1

   - SUSE Linux Enterprise Server 11-EXTRA (x86_64):

      kernel-trace-extra-3.0.101-108.77.1

   - SUSE Linux Enterprise Server 11-EXTRA (ppc64):

      kernel-ppc64-extra-3.0.101-108.77.1

   - SUSE Linux Enterprise Server 11-EXTRA (i586):

      kernel-pae-extra-3.0.101-108.77.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):

      kernel-default-debuginfo-3.0.101-108.77.1
      kernel-default-debugsource-3.0.101-108.77.1
      kernel-trace-debuginfo-3.0.101-108.77.1
      kernel-trace-debugsource-3.0.101-108.77.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 s390x x86_64):

      kernel-default-devel-debuginfo-3.0.101-108.77.1
      kernel-trace-devel-debuginfo-3.0.101-108.77.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64):

      kernel-ec2-debuginfo-3.0.101-108.77.1
      kernel-ec2-debugsource-3.0.101-108.77.1
      kernel-xen-debuginfo-3.0.101-108.77.1
      kernel-xen-debugsource-3.0.101-108.77.1
      kernel-xen-devel-debuginfo-3.0.101-108.77.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (ppc64):

      kernel-bigmem-debuginfo-3.0.101-108.77.1
      kernel-bigmem-debugsource-3.0.101-108.77.1
      kernel-ppc64-debuginfo-3.0.101-108.77.1
      kernel-ppc64-debugsource-3.0.101-108.77.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586):

      kernel-pae-debuginfo-3.0.101-108.77.1
      kernel-pae-debugsource-3.0.101-108.77.1
      kernel-pae-devel-debuginfo-3.0.101-108.77.1


References:

   https://www.suse.com/security/cve/CVE-2018-17182.html
   https://bugzilla.suse.com/1108399
   https://bugzilla.suse.com/1109967

_______________________________________________

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