Security update for the Linux Kernel (Live Patch 35 for SLE 15 SP3)

Announcement ID:	SUSE-SU-2024:0411-1
Rating:	important
References:	bsc#1217522 bsc#1218255
Cross-References:	CVE-2023-6176 CVE-2023-6932
CVSS scores:	CVE-2023-6176 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-6176 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2023-6932 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-6932 ( 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 15.3 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_130 fixes several issues.

The following security issues were fixed:

• CVE-2023-6932: Fixed a use-after-free vulnerability in the ipv4 igmp component that could lead to local privilege escalation (bsc#1218255).
• CVE-2023-6176: Fixed a denial of service in the cryptographic algorithm scatterwalk functionality (bsc#1217522).

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-SP3
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2024-411=1 SUSE-SLE-Module-Live-Patching-15-SP3-2024-416=1
• openSUSE Leap 15.3
  zypper in -t patch SUSE-2024-416=1 SUSE-2024-411=1

Package List:

• SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
  • kernel-livepatch-5_3_18-150300_59_115-default-10-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_130-default-5-150300.2.1
• openSUSE Leap 15.3 (ppc64le s390x x86_64)
  • kernel-livepatch-5_3_18-150300_59_130-default-5-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_115-default-debuginfo-10-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_115-default-10-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_130-default-debuginfo-5-150300.2.1
  • kernel-livepatch-SLE15-SP3_Update_30-debugsource-10-150300.2.1
  • kernel-livepatch-SLE15-SP3_Update_35-debugsource-5-150300.2.1
• openSUSE Leap 15.3 (x86_64)
  • kernel-livepatch-5_3_18-150300_59_130-preempt-debuginfo-5-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_130-preempt-5-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_115-preempt-debuginfo-10-150300.2.1
  • kernel-livepatch-5_3_18-150300_59_115-preempt-10-150300.2.1

References:

• https://www.suse.com/security/cve/CVE-2023-6176.html
• https://www.suse.com/security/cve/CVE-2023-6932.html
• https://bugzilla.suse.com/show_bug.cgi?id=1217522
• https://bugzilla.suse.com/show_bug.cgi?id=1218255