SUSE-SU-2020:2576-1: important: Security update for the Linux Kernel

sle-security-updates at lists.suse.com sle-security-updates at lists.suse.com
Wed Sep 9 04:39:21 MDT 2020 

   SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:2576-1
Rating:             important
References:         #1152107 #1173798 #1174205 #1174757 #1175691 
                    #1176069 
Cross-References:   CVE-2019-16746 CVE-2020-14314 CVE-2020-14331
                    CVE-2020-14386 CVE-2020-16166
Affected Products:
                    SUSE OpenStack Cloud 7
                    SUSE Linux Enterprise Server for SAP 12-SP2
                    SUSE Linux Enterprise Server 12-SP2-LTSS
                    SUSE Linux Enterprise Server 12-SP2-BCL
                    SUSE Linux Enterprise High Availability 12-SP2
______________________________________________________________________________

   An update that solves 5 vulnerabilities and has one errata
   is now available.

Description:

   The SUSE Linux Enterprise 12 SP2 kernel was updated to to receive various
   security and bugfixes.

   The following security bugs were fixed:


   - CVE-2020-14314: Fixed a potential negative array index in do_split()
     (bsc#1173798).
   - CVE-2020-14331: Fixed a missing check in vgacon scrollback handling
     (bsc#1174205).
   - CVE-2020-16166: Fixed a potential issue which could have allowed remote
     attackers to make observations that help to obtain sensitive information
     about the internal state of the network RNG (bsc#1174757).
   - CVE-2019-16746: Fixed an improper check of the length of variable
     elements in a beacon head, leading to a buffer overflow (bsc#1152107).
   - CVE-2020-14386: Fixed a potential local privilege escalation via memory
     corruption (bsc#1176069).

   The following non-security bug was fixed:

   - mm, vmstat: reduce zone->lock holding time by /proc/pagetypeinfo
     (bsc#1175691).


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 OpenStack Cloud 7:

      zypper in -t patch SUSE-OpenStack-Cloud-7-2020-2576=1

   - SUSE Linux Enterprise Server for SAP 12-SP2:

      zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-2576=1

   - SUSE Linux Enterprise Server 12-SP2-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-2576=1

   - SUSE Linux Enterprise Server 12-SP2-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-2576=1

   - SUSE Linux Enterprise High Availability 12-SP2:

      zypper in -t patch SUSE-SLE-HA-12-SP2-2020-2576=1



Package List:

   - SUSE OpenStack Cloud 7 (s390x x86_64):

      kernel-default-4.4.121-92.141.1
      kernel-default-base-4.4.121-92.141.1
      kernel-default-base-debuginfo-4.4.121-92.141.1
      kernel-default-debuginfo-4.4.121-92.141.1
      kernel-default-debugsource-4.4.121-92.141.1
      kernel-default-devel-4.4.121-92.141.1
      kernel-syms-4.4.121-92.141.1

   - SUSE OpenStack Cloud 7 (noarch):

      kernel-devel-4.4.121-92.141.1
      kernel-macros-4.4.121-92.141.1
      kernel-source-4.4.121-92.141.1

   - SUSE OpenStack Cloud 7 (x86_64):

      kgraft-patch-4_4_121-92_141-default-1-3.3.1

   - SUSE OpenStack Cloud 7 (s390x):

      kernel-default-man-4.4.121-92.141.1

   - SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):

      kernel-default-4.4.121-92.141.1
      kernel-default-base-4.4.121-92.141.1
      kernel-default-base-debuginfo-4.4.121-92.141.1
      kernel-default-debuginfo-4.4.121-92.141.1
      kernel-default-debugsource-4.4.121-92.141.1
      kernel-default-devel-4.4.121-92.141.1
      kernel-syms-4.4.121-92.141.1
      kgraft-patch-4_4_121-92_141-default-1-3.3.1

   - SUSE Linux Enterprise Server for SAP 12-SP2 (noarch):

      kernel-devel-4.4.121-92.141.1
      kernel-macros-4.4.121-92.141.1
      kernel-source-4.4.121-92.141.1

   - SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le s390x x86_64):

      kernel-default-4.4.121-92.141.1
      kernel-default-base-4.4.121-92.141.1
      kernel-default-base-debuginfo-4.4.121-92.141.1
      kernel-default-debuginfo-4.4.121-92.141.1
      kernel-default-debugsource-4.4.121-92.141.1
      kernel-default-devel-4.4.121-92.141.1
      kernel-syms-4.4.121-92.141.1

   - SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le x86_64):

      kgraft-patch-4_4_121-92_141-default-1-3.3.1

   - SUSE Linux Enterprise Server 12-SP2-LTSS (noarch):

      kernel-devel-4.4.121-92.141.1
      kernel-macros-4.4.121-92.141.1
      kernel-source-4.4.121-92.141.1

   - SUSE Linux Enterprise Server 12-SP2-LTSS (s390x):

      kernel-default-man-4.4.121-92.141.1

   - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):

      kernel-default-4.4.121-92.141.1
      kernel-default-base-4.4.121-92.141.1
      kernel-default-base-debuginfo-4.4.121-92.141.1
      kernel-default-debuginfo-4.4.121-92.141.1
      kernel-default-debugsource-4.4.121-92.141.1
      kernel-default-devel-4.4.121-92.141.1
      kernel-syms-4.4.121-92.141.1

   - SUSE Linux Enterprise Server 12-SP2-BCL (noarch):

      kernel-devel-4.4.121-92.141.1
      kernel-macros-4.4.121-92.141.1
      kernel-source-4.4.121-92.141.1

   - SUSE Linux Enterprise High Availability 12-SP2 (ppc64le s390x x86_64):

      cluster-md-kmp-default-4.4.121-92.141.1
      cluster-md-kmp-default-debuginfo-4.4.121-92.141.1
      cluster-network-kmp-default-4.4.121-92.141.1
      cluster-network-kmp-default-debuginfo-4.4.121-92.141.1
      dlm-kmp-default-4.4.121-92.141.1
      dlm-kmp-default-debuginfo-4.4.121-92.141.1
      gfs2-kmp-default-4.4.121-92.141.1
      gfs2-kmp-default-debuginfo-4.4.121-92.141.1
      kernel-default-debuginfo-4.4.121-92.141.1
      kernel-default-debugsource-4.4.121-92.141.1
      ocfs2-kmp-default-4.4.121-92.141.1
      ocfs2-kmp-default-debuginfo-4.4.121-92.141.1


References:

   https://www.suse.com/security/cve/CVE-2019-16746.html
   https://www.suse.com/security/cve/CVE-2020-14314.html
   https://www.suse.com/security/cve/CVE-2020-14331.html
   https://www.suse.com/security/cve/CVE-2020-14386.html
   https://www.suse.com/security/cve/CVE-2020-16166.html
   https://bugzilla.suse.com/1152107
   https://bugzilla.suse.com/1173798
   https://bugzilla.suse.com/1174205
   https://bugzilla.suse.com/1174757
   https://bugzilla.suse.com/1175691
   https://bugzilla.suse.com/1176069

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