Security update for the Linux Kernel RT (Live Patch 7 for SLE 15 SP4)

Announcement ID:	SUSE-SU-2023:3041-1
Rating:	important
References:	#1212509
Cross-References:	CVE-2023-35788
CVSS scores:	CVE-2023-35788 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H CVE-2023-35788 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	openSUSE Leap 15.4 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise Live Patching 15-SP4 SUSE Linux Enterprise Micro 5.3 SUSE Linux Enterprise Micro 5.4 SUSE Linux Enterprise Real Time 15 SP4 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP4

An update that solves one vulnerability can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150400_15_28 fixes one issue.

The following security issue was fixed:

• CVE-2023-35788: Fixed an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets in fl_set_geneve_opt in net/sched/cls_flower.c (bsc#1212509).

Patch Instructions:

To install this SUSE Important 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-SP4
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-3041=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-3044=1
• openSUSE Leap 15.4
  zypper in -t patch SUSE-2023-3044=1

Package List:

• SUSE Linux Enterprise Live Patching 15-SP4 (x86_64)
  • kernel-livepatch-SLE15-SP4-RT_Update_7-debugsource-4-150400.2.1
  • kernel-livepatch-5_14_21-150400_15_28-rt-4-150400.2.1
• SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
  • kernel-livepatch-SLE15-SP4_Update_12-debugsource-4-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_63-default-debuginfo-4-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_63-default-4-150400.2.1
• openSUSE Leap 15.4 (ppc64le s390x x86_64)
  • kernel-livepatch-SLE15-SP4_Update_12-debugsource-4-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_63-default-debuginfo-4-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_63-default-4-150400.2.1

References:

• https://www.suse.com/security/cve/CVE-2023-35788.html
• https://bugzilla.suse.com/show_bug.cgi?id=1212509