Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP5)

Announcement ID:	SUSE-SU-2023:4805-1
Rating:	important
References:	bsc#1213584 bsc#1215097 bsc#1215442 bsc#1215519 bsc#1215971
Cross-References:	CVE-2023-2163 CVE-2023-3610 CVE-2023-3777 CVE-2023-4622 CVE-2023-5345
CVSS scores:	CVE-2023-2163 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N CVE-2023-2163 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2023-3610 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-3610 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-3777 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-3777 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-4622 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-4622 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-5345 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-5345 ( 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 openSUSE Leap 15.5 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise Live Patching 15-SP4 SUSE Linux Enterprise Live Patching 15-SP5 SUSE Linux Enterprise Micro 5.3 SUSE Linux Enterprise Micro 5.4 SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Real Time 15 SP4 SUSE Linux Enterprise Real Time 15 SP5 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves five vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.14.21-150500_55_7 fixes several issues.

The following security issues were fixed:

• CVE-2023-3610: Fixed use-after-free vulnerability in nf_tables can be exploited to achieve local privilege escalation (bsc#1213584).
• CVE-2023-3777: Fixed a use-after-free vulnerability in netfilter: nf_tables component can be exploited to achieve local privilege escalation. (bsc#1215097)
• CVE-2023-5345: Fixed an use-after-free vulnerability in the fs/smb/client component which could be exploited to achieve local privilege escalation. (bsc#1215971)
• CVE-2023-4622: Fixed a use-after-free vulnerability in the Unix domain sockets component which could be exploited to achieve local privilege escalation (bsc#1215442).
• CVE-2023-2163: Fixed an incorrect verifier pruning in BPF that could lead to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape. (bsc#1215519)

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-SP4
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-4800=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-4805=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-4809=1
• openSUSE Leap 15.5
  zypper in -t patch SUSE-2023-4806=1 SUSE-2023-4819=1
• SUSE Linux Enterprise Live Patching 15-SP5
  zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-4806=1 SUSE-SLE-Module-Live-Patching-15-SP5-2023-4819=1
• openSUSE Leap 15.4
  zypper in -t patch SUSE-2023-4805=1 SUSE-2023-4809=1 SUSE-2023-4800=1

Package List:

• SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
  • kernel-livepatch-SLE15-SP4_Update_7-debugsource-11-150400.2.2
  • kernel-livepatch-SLE15-SP4_Update_12-debugsource-8-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_63-default-debuginfo-8-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_74-default-5-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_74-default-debuginfo-5-150400.2.1
  • kernel-livepatch-SLE15-SP4_Update_15-debugsource-5-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_41-default-11-150400.2.2
  • kernel-livepatch-5_14_21-150400_24_41-default-debuginfo-11-150400.2.2
  • kernel-livepatch-5_14_21-150400_24_63-default-8-150400.2.1
• openSUSE Leap 15.5 (ppc64le s390x x86_64)
  • kernel-livepatch-5_14_21-150500_55_7-default-debuginfo-5-150500.2.1
  • kernel-livepatch-SLE15-SP5_Update_1-debugsource-5-150500.2.1
  • kernel-livepatch-5_14_21-150500_53-default-6-150500.15.1
  • kernel-livepatch-SLE15-SP5_Update_0-debugsource-6-150500.15.1
  • kernel-livepatch-5_14_21-150500_55_7-default-5-150500.2.1
  • kernel-livepatch-5_14_21-150500_53-default-debuginfo-6-150500.15.1
• SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
  • kernel-livepatch-5_14_21-150500_55_7-default-debuginfo-5-150500.2.1
  • kernel-livepatch-SLE15-SP5_Update_1-debugsource-5-150500.2.1
  • kernel-livepatch-5_14_21-150500_53-default-6-150500.15.1
  • kernel-livepatch-SLE15-SP5_Update_0-debugsource-6-150500.15.1
  • kernel-livepatch-5_14_21-150500_55_7-default-5-150500.2.1
  • kernel-livepatch-5_14_21-150500_53-default-debuginfo-6-150500.15.1
• openSUSE Leap 15.4 (ppc64le s390x x86_64)
  • kernel-livepatch-SLE15-SP4_Update_7-debugsource-11-150400.2.2
  • kernel-livepatch-SLE15-SP4_Update_12-debugsource-8-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_63-default-debuginfo-8-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_74-default-5-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_74-default-debuginfo-5-150400.2.1
  • kernel-livepatch-SLE15-SP4_Update_15-debugsource-5-150400.2.1
  • kernel-livepatch-5_14_21-150400_24_41-default-11-150400.2.2
  • kernel-livepatch-5_14_21-150400_24_41-default-debuginfo-11-150400.2.2
  • kernel-livepatch-5_14_21-150400_24_63-default-8-150400.2.1

References:

• https://www.suse.com/security/cve/CVE-2023-2163.html
• https://www.suse.com/security/cve/CVE-2023-3610.html
• https://www.suse.com/security/cve/CVE-2023-3777.html
• https://www.suse.com/security/cve/CVE-2023-4622.html
• https://www.suse.com/security/cve/CVE-2023-5345.html
• https://bugzilla.suse.com/show_bug.cgi?id=1213584
• https://bugzilla.suse.com/show_bug.cgi?id=1215097
• https://bugzilla.suse.com/show_bug.cgi?id=1215442
• https://bugzilla.suse.com/show_bug.cgi?id=1215519
• https://bugzilla.suse.com/show_bug.cgi?id=1215971