Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP2)

SUSE Security Update: Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP2)
Announcement ID: SUSE-SU-2020:3181-1
Rating: important
References: #1176382
Cross-References:CVE-2020-25212
Affected Products:
  • SUSE Linux Enterprise Module for Live Patching 15-SP2

An update that fixes one vulnerability is now available.

Description:

This update for the Linux Kernel 5.3.18-24_24 fixes one issue.
The following security issue was 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).

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-SP2-2020-3181=1 SUSE-SLE-Module-Live-Patching-15-SP2-2020-3182=1

Package List:

  • SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):
    • kernel-livepatch-5_3_18-24_15-default-2-2.1
    • kernel-livepatch-5_3_18-24_15-default-debuginfo-2-2.1
    • kernel-livepatch-5_3_18-24_24-default-2-2.1
    • kernel-livepatch-5_3_18-24_24-default-debuginfo-2-2.1
    • kernel-livepatch-SLE15-SP2_Update_3-debugsource-2-2.1
    • kernel-livepatch-SLE15-SP2_Update_4-debugsource-2-2.1

References: