Security update for the Linux Kernel (Live Patch 37 for SLE 15 SP2)

Announcement ID: SUSE-SU-2023:3621-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2023-1077 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-1077 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-3090 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-3090 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-35001 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-35001 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-3567 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-3567 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 15 SP2
  • SUSE Linux Enterprise Live Patching 15-SP2
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2

An update that solves four vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.3.18-150200_24_154 fixes several issues.

The following security issues were fixed:

  • CVE-2023-3567: Fixed a use-after-free in vcs_read in drivers/tty/vt/vc_screen.c (bsc#1213244).
  • CVE-2023-35001: Fixed an out-of-bounds memory access flaw in nft_byteorder that could allow a local attacker to escalate their privilege (bsc#1213063).
  • CVE-2023-1077: Fixed a type confusion in pick_next_rt_entity(), that could cause memory corruption (bsc#1208839).
  • CVE-2023-3090: Fixed a heap out-of-bounds write in the ipvlan network driver (bsc#1212849).

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 15-SP2
    zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2023-3621=1

Package List:

  • SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
    • kernel-livepatch-5_3_18-150200_24_154-default-3-150200.2.1
    • kernel-livepatch-5_3_18-150200_24_154-default-debuginfo-3-150200.2.1
    • kernel-livepatch-SLE15-SP2_Update_37-debugsource-3-150200.2.1

References: