Security update for the Linux Kernel (Live Patch 23 for SLE 15 SP3)

Announcement ID: SUSE-SU-2022:3415-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-39698 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-39698 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-39188 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-39188 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • openSUSE Leap 15.3
  • SUSE Linux Enterprise High Performance Computing 15 SP3
  • SUSE Linux Enterprise Live Patching 15-SP3
  • SUSE Linux Enterprise Micro 5.1
  • SUSE Linux Enterprise Micro 5.2
  • SUSE Linux Enterprise Server 15 SP3
  • SUSE Linux Enterprise Server for SAP Applications 15 SP3

An update that solves two vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.3.18-150300_59_90 fixes several issues.

The following security issues were fixed:

  • CVE-2022-39188: Fixed a race condition between unmap_mapping_range() and munmap() on VM_PFNMAP mappings leads to stale TLB entry (bsc#1203116).
  • CVE-2021-39698: Fixed a memory corruption due to a use after free that could lead to local escalation of privilege with no additional execution privileges needed (bsc#1196959).

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-2022-3415=1
  • SUSE Linux Enterprise Live Patching 15-SP3
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2022-3415=1

Package List:

  • openSUSE Leap 15.3 (ppc64le s390x x86_64)
    • kernel-livepatch-SLE15-SP3_Update_23-debugsource-3-150300.2.2
    • kernel-livepatch-5_3_18-150300_59_90-default-debuginfo-3-150300.2.2
    • kernel-livepatch-5_3_18-150300_59_90-default-3-150300.2.2
  • openSUSE Leap 15.3 (x86_64)
    • kernel-livepatch-5_3_18-150300_59_90-preempt-3-150300.2.2
    • kernel-livepatch-5_3_18-150300_59_90-preempt-debuginfo-3-150300.2.2
  • SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
    • kernel-livepatch-5_3_18-150300_59_90-default-3-150300.2.2

References: