SUSE-SU-2020:3186-1: important: Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP2)

sle-security-updates at lists.suse.com sle-security-updates at lists.suse.com
Thu Nov 5 10:22:14 MST 2020


   SUSE Security Update: Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP2)
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:3186-1
Rating:             important
References:         #1176072 #1176382 
Cross-References:   CVE-2020-14386 CVE-2020-25212
Affected Products:
                    SUSE Linux Enterprise Module for Live Patching 15-SP2
______________________________________________________________________________

   An update that fixes two vulnerabilities is now available.

Description:

   This update for the Linux Kernel 5.3.18-24_12 fixes several issues.

   The following security issues were fixed:

   - CVE-2020-25212: A TOCTOU mismatch in the NFS client code could be used
     by local attackers to corrupt memory or possibly have unspecified other
     impact because a size check is in fs/nfs/nfs4proc.c instead of
     fs/nfs/nfs4xdr.c (bsc#1176381).
   - CVE-2020-14386: Fixed a memory corruption which could have lead to an
     attacker gaining root privileges from unprivileged processes. The
     highest threat from this vulnerability is to data confidentiality and
     integrity (bsc#1176069).


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 Module for Live Patching 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2020-3184=1 SUSE-SLE-Module-Live-Patching-15-SP2-2020-3186=1



Package List:

   - SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):

      kernel-livepatch-5_3_18-24_12-default-2-2.1
      kernel-livepatch-5_3_18-24_12-default-debuginfo-2-2.1
      kernel-livepatch-5_3_18-24_9-default-3-2.1
      kernel-livepatch-5_3_18-24_9-default-debuginfo-3-2.1
      kernel-livepatch-SLE15-SP2_Update_1-debugsource-3-2.1
      kernel-livepatch-SLE15-SP2_Update_2-debugsource-2-2.1


References:

   https://www.suse.com/security/cve/CVE-2020-14386.html
   https://www.suse.com/security/cve/CVE-2020-25212.html
   https://bugzilla.suse.com/1176072
   https://bugzilla.suse.com/1176382



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