Security update for the Linux Kernel (Live Patch 38 for SLE 12 SP3)

Announcement ID: SUSE-SU-2022:0549-1
Rating: critical
References:
Cross-References:
CVSS scores:
  • CVE-2021-4083 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-4083 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-4202 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-4202 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP3
  • SUSE Linux Enterprise Server 12 SP3
  • SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  • SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3

An update that solves two vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 4.4.180-94_141 fixes several issues.

The following security issues were fixed:

  • CVE-2021-4202: Fixed NFC race condition by adding NCI_UNREG flag (bsc#1194533).
  • CVE-2021-4083: Fixed a read-after-free memory flaw inside the garbage collection for Unix domain socket file handlers when users call close() and fget() simultaneouslyand can potentially trigger a race condition (bnc#1194460).

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:

  • SUSE Linux Enterprise Server for SAP Applications 12 SP3
    zypper in -t patch SUSE-SLE-SAP-12-SP3-2022-552=1 SUSE-SLE-SAP-12-SP3-2022-553=1 SUSE-SLE-SAP-12-SP3-2022-549=1 SUSE-SLE-SAP-12-SP3-2022-550=1 SUSE-SLE-SAP-12-SP3-2022-551=1
  • SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2022-552=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2022-553=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2022-549=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2022-550=1 SUSE-SLE-SERVER-12-SP3-ESPOS-2022-551=1
  • SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2022-552=1 SUSE-SLE-SERVER-12-SP3-2022-553=1 SUSE-SLE-SERVER-12-SP3-2022-549=1 SUSE-SLE-SERVER-12-SP3-2022-550=1 SUSE-SLE-SERVER-12-SP3-2022-551=1

Package List:

  • SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
    • kgraft-patch-4_4_180-94_138-default-debuginfo-15-2.2
    • kgraft-patch-4_4_180-94_138-default-15-2.2
    • kgraft-patch-4_4_180-94_147-default-8-2.2
    • kgraft-patch-4_4_180-94_144-default-debuginfo-11-2.2
    • kgraft-patch-4_4_180-94_141-default-debuginfo-14-2.2
    • kgraft-patch-4_4_180-94_141-default-14-2.2
    • kgraft-patch-4_4_180-94_150-default-debuginfo-4-2.2
    • kgraft-patch-4_4_180-94_147-default-debuginfo-8-2.2
    • kgraft-patch-4_4_180-94_144-default-11-2.2
    • kgraft-patch-4_4_180-94_150-default-4-2.2
  • SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (x86_64)
    • kgraft-patch-4_4_180-94_138-default-debuginfo-15-2.2
    • kgraft-patch-4_4_180-94_138-default-15-2.2
    • kgraft-patch-4_4_180-94_147-default-8-2.2
    • kgraft-patch-4_4_180-94_144-default-debuginfo-11-2.2
    • kgraft-patch-4_4_180-94_141-default-debuginfo-14-2.2
    • kgraft-patch-4_4_180-94_141-default-14-2.2
    • kgraft-patch-4_4_180-94_150-default-debuginfo-4-2.2
    • kgraft-patch-4_4_180-94_147-default-debuginfo-8-2.2
    • kgraft-patch-4_4_180-94_144-default-11-2.2
    • kgraft-patch-4_4_180-94_150-default-4-2.2
  • SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (ppc64le x86_64)
    • kgraft-patch-4_4_180-94_138-default-debuginfo-15-2.2
    • kgraft-patch-4_4_180-94_138-default-15-2.2
    • kgraft-patch-4_4_180-94_147-default-8-2.2
    • kgraft-patch-4_4_180-94_144-default-debuginfo-11-2.2
    • kgraft-patch-4_4_180-94_141-default-debuginfo-14-2.2
    • kgraft-patch-4_4_180-94_141-default-14-2.2
    • kgraft-patch-4_4_180-94_150-default-debuginfo-4-2.2
    • kgraft-patch-4_4_180-94_147-default-debuginfo-8-2.2
    • kgraft-patch-4_4_180-94_144-default-11-2.2
    • kgraft-patch-4_4_180-94_150-default-4-2.2

References: