Security update for the Linux Kernel RT (Live Patch 9 for SLE 15 SP5)

Announcement ID:	SUSE-SU-2024:1184-1
Rating:	important
References:	bsc#1219078 bsc#1219296 bsc#1219432
Cross-References:	CVE-2023-52340 CVE-2024-0565 CVE-2024-1085
CVSS scores:	CVE-2023-52340 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2024-0565 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2024-0565 ( NVD ): 7.4 CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H CVE-2024-1085 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2024-1085 ( 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 15.5 SUSE Linux Enterprise High Performance Computing 15 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 15 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves three vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150500_13_30 fixes several issues.

The following security issues were fixed:

• CVE-2024-0565: Fixed an out-of-bounds memory read flaw in receive_encrypted_standard in fs/smb/client/smb2ops.c (bsc#1219078).
• CVE-2024-1085: Fixed nf_tables use-after-free vulnerability in the nft_setelem_catchall_deactivate() function (bsc#1219432).
• CVE-2023-52340: Fixed ICMPv6 “Packet Too Big” packets force a DoS of the Linux kernel by forcing 100% CPU (bsc#1219296).

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 15.5
  zypper in -t patch SUSE-2024-1186=1 SUSE-2024-1187=1 SUSE-2024-1184=1 SUSE-2024-1185=1
• SUSE Linux Enterprise Live Patching 15-SP5
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-1186=1 SUSE-SLE-Module-Live-Patching-15-SP5-2024-1187=1 SUSE-SLE-Module-Live-Patching-15-SP5-2024-1184=1 SUSE-SLE-Module-Live-Patching-15-SP5-2024-1185=1

Package List:

• openSUSE Leap 15.5 (x86_64)
  • kernel-livepatch-5_14_21-150500_13_30-rt-debuginfo-4-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-6-150500.2.1
  • kernel-livepatch-SLE15-SP5-RT_Update_9-debugsource-4-150500.2.1
  • kernel-livepatch-SLE15-SP5-RT_Update_6-debugsource-6-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_27-rt-debuginfo-5-150500.2.1
  • kernel-livepatch-SLE15-SP5-RT_Update_8-debugsource-5-150500.2.1
  • kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-6-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_27-rt-5-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_30-rt-4-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_24-rt-6-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_21-rt-debuginfo-6-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_21-rt-6-150500.2.1
• SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
  • kernel-livepatch-5_14_21-150500_13_30-rt-debuginfo-4-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-6-150500.2.1
  • kernel-livepatch-SLE15-SP5-RT_Update_9-debugsource-4-150500.2.1
  • kernel-livepatch-SLE15-SP5-RT_Update_6-debugsource-6-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_27-rt-debuginfo-5-150500.2.1
  • kernel-livepatch-SLE15-SP5-RT_Update_8-debugsource-5-150500.2.1
  • kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-6-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_27-rt-5-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_30-rt-4-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_24-rt-6-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_21-rt-debuginfo-6-150500.2.1
  • kernel-livepatch-5_14_21-150500_13_21-rt-6-150500.2.1

References:

• https://www.suse.com/security/cve/CVE-2023-52340.html
• https://www.suse.com/security/cve/CVE-2024-0565.html
• https://www.suse.com/security/cve/CVE-2024-1085.html
• https://bugzilla.suse.com/show_bug.cgi?id=1219078
• https://bugzilla.suse.com/show_bug.cgi?id=1219296
• https://bugzilla.suse.com/show_bug.cgi?id=1219432