Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP3)

Announcement ID: SUSE-SU-2021:2384-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-23133 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-23133 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • openSUSE Leap 15.3
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise High Performance Computing 15 SP2
  • SUSE Linux Enterprise High Performance Computing 15 SP3
  • SUSE Linux Enterprise Live Patching 15-SP2
  • SUSE Linux Enterprise Live Patching 12-SP5
  • SUSE Linux Enterprise Live Patching 15-SP3
  • SUSE Linux Enterprise Micro 5.1
  • SUSE Linux Enterprise Micro 5.2
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server 15 SP3
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP3

An update that solves one vulnerability can now be installed.

Description:

This update for the Linux Kernel 5.3.18-57 fixes one issue.

The following security issue was fixed:

  • CVE-2021-23133: Fixed a race condition in the SCTP sockets that can lead to kernel privilege escalation from the context of a network service or an unprivileged process. (bsc#1185901)

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • openSUSE Leap 15.3
    zypper in -t patch SUSE-2021-2384=1
  • SUSE Linux Enterprise Live Patching 15-SP3
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2021-2384=1
  • SUSE Linux Enterprise Live Patching 15-SP2
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-2373=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2378=1 SUSE-SLE-Module-Live-Patching-15-SP2-2021-2366=1
  • SUSE Linux Enterprise Live Patching 12-SP5
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2021-2460=1 SUSE-SLE-Live-Patching-12-SP5-2021-2369=1

Package List:

  • openSUSE Leap 15.3 (ppc64le s390x x86_64)
    • kernel-livepatch-SLE15-SP3_Update_0-debugsource-3-3.1
    • kernel-livepatch-5_3_18-57-default-3-3.1
    • kernel-livepatch-5_3_18-57-default-debuginfo-3-3.1
  • openSUSE Leap 15.3 (x86_64)
    • kernel-livepatch-5_3_18-57-preempt-3-3.1
    • kernel-livepatch-5_3_18-57-preempt-debuginfo-3-3.1
  • SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
    • kernel-livepatch-SLE15-SP3_Update_0-debugsource-3-3.1
    • kernel-livepatch-5_3_18-57-default-3-3.1
    • kernel-livepatch-5_3_18-57-default-debuginfo-3-3.1
  • SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
    • kernel-livepatch-SLE15-SP2_Update_13-debugsource-3-2.1
    • kernel-livepatch-5_3_18-24_61-default-debuginfo-3-2.1
    • kernel-livepatch-SLE15-SP2_Update_12-debugsource-3-2.1
    • kernel-livepatch-5_3_18-24_64-default-debuginfo-3-2.1
    • kernel-livepatch-5_3_18-24_52-default-6-2.2
    • kernel-livepatch-5_3_18-24_64-default-3-2.1
    • kernel-livepatch-5_3_18-24_61-default-3-2.1
    • kernel-livepatch-SLE15-SP2_Update_11-debugsource-6-2.2
    • kernel-livepatch-5_3_18-24_52-default-debuginfo-6-2.2
  • SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
    • kgraft-patch-4_12_14-122_66-default-4-2.2
    • kgraft-patch-4_12_14-122_71-default-3-2.1

References: