Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP5)

Announcement ID:	SUSE-SU-2024:0663-1
Rating:	important
References:	bsc#1218733
Cross-References:	CVE-2023-51780
CVSS scores:	CVE-2023-51780 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-51780 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	openSUSE Leap 15.5 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise High Performance Computing 15 SP2 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise Live Patching 15-SP2 SUSE Linux Enterprise Live Patching 12-SP5 SUSE Linux Enterprise Live Patching 15-SP5 SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Real Time 15 SP5 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server 15 SP5 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 SP5

An update that solves one vulnerability can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150500_55_36 fixes one issue.

The following security issue was fixed:

• CVE-2023-51780: Fixed a use-after-free in do_vcc_ioctl in net/atm/ioctl.c, because of a vcc_recvmsg race condition (bsc#1218733).

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-SP5
  zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2024-663=1 SUSE-SLE-Live-Patching-12-SP5-2024-669=1
• SUSE Linux Enterprise Live Patching 15-SP2
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2024-680=1
• openSUSE Leap 15.5
  zypper in -t patch SUSE-2024-668=1
• SUSE Linux Enterprise Live Patching 15-SP5
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-668=1

Package List:

• SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
  • kgraft-patch-4_12_14-122_189-default-3-2.1
  • kgraft-patch-4_12_14-122_186-default-3-2.1
• SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
  • kernel-livepatch-5_3_18-150200_24_172-default-3-150200.2.1
  • kernel-livepatch-5_3_18-150200_24_172-default-debuginfo-3-150200.2.1
  • kernel-livepatch-SLE15-SP2_Update_43-debugsource-3-150200.2.1
• openSUSE Leap 15.5 (ppc64le s390x x86_64)
  • kernel-livepatch-5_14_21-150500_55_36-default-debuginfo-3-150500.2.1
  • kernel-livepatch-5_14_21-150500_55_36-default-3-150500.2.1
  • kernel-livepatch-SLE15-SP5_Update_7-debugsource-3-150500.2.1
• SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
  • kernel-livepatch-5_14_21-150500_55_36-default-debuginfo-3-150500.2.1
  • kernel-livepatch-5_14_21-150500_55_36-default-3-150500.2.1
  • kernel-livepatch-SLE15-SP5_Update_7-debugsource-3-150500.2.1

References:

• https://www.suse.com/security/cve/CVE-2023-51780.html
• https://bugzilla.suse.com/show_bug.cgi?id=1218733