Security update for the Linux Kernel (Live Patch 26 for SLE 12 SP4)

Announcement ID: SUSE-SU-2022:1598-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-39713 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-39713 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-1011 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-1011 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP4
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise Live Patching 15
  • SUSE Linux Enterprise Live Patching 12-SP4
  • SUSE Linux Enterprise Server 12 SP4
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that solves two vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 4.12.14-95_96 fixes several issues.

The following security issues were fixed:

  • CVE-2021-39713: Fixed a race condition in the network scheduling subsystem which could lead to a use-after-free. (bsc#1197211)
  • CVE-2022-1011: A use-after-free flaw was found in the FUSE filesystem in the way a user triggers write(). This flaw allowed a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation. (bsc#1197344)

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 Live Patching 12-SP4
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2022-1598=1
  • SUSE Linux Enterprise Live Patching 15
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2022-1609=1

Package List:

  • SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64)
    • kgraft-patch-4_12_14-95_96-default-2-2.1
  • SUSE Linux Enterprise Live Patching 15 (ppc64le x86_64)
    • kernel-livepatch-4_12_14-150000_150_89-default-debuginfo-2-150000.2.1
    • kernel-livepatch-4_12_14-150000_150_89-default-2-150000.2.1

References: