Security update for kubernetes1.23

Announcement ID:	SUSE-SU-2025:02423-2
Release Date:	2025-08-13T00:11:01Z
Rating:	moderate
References:	bsc#1194400 bsc#1212493 bsc#1219964 bsc#1222539 bsc#1229008 bsc#1241865
Cross-References:	CVE-2021-25743 CVE-2023-2431 CVE-2024-0793 CVE-2024-3177 CVE-2025-22872
CVSS scores:	CVE-2021-25743 ( SUSE ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVE-2021-25743 ( NVD ): 3.0 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N CVE-2023-2431 ( SUSE ): 3.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N CVE-2023-2431 ( NVD ): 3.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N CVE-2023-2431 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N CVE-2024-0793 ( SUSE ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVE-2024-0793 ( NVD ): 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2024-3177 ( SUSE ): 2.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N CVE-2024-3177 ( NVD ): 2.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N CVE-2025-22872 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L CVE-2025-22872 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L CVE-2025-22872 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Affected Products:	SUSE Enterprise Storage 7.1 SUSE Linux Enterprise High Performance Computing 15 SP3 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server 15 SP3 LTSS SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server 15 SP4 LTSS SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP4

An update that solves five vulnerabilities and has one security fix can now be installed.

Description:

This update for kubernetes1.23 fixes the following issues:

• CVE-2021-25743: Escape terminal special characters in kubectl output (bsc#1194400).
• CVE-2023-2431: Prevent pods to bypass the seccomp profile enforcement (bsc#1212493).
• CVE-2024-0793: Advance autoscaling v2 as the preferred API version (bsc#1219964).
• CVE-2024-3177: Prevent bypassing mountable secrets policy imposed by the ServiceAccount admission plugin (bsc#1222539).
• CVE-2025-22872: Properly handle trailing solidus in unquoted attribute value in foreign content (bsc#1241865).

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 High Performance Computing LTSS 15 SP3
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-LTSS-2025-2423=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2025-2423=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2025-2423=1
• SUSE Linux Enterprise Server 15 SP3 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2025-2423=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2025-2423=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP3
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP3-2025-2423=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2025-2423=1
• SUSE Enterprise Storage 7.1
  zypper in -t patch SUSE-Storage-7.1-2025-2423=1

Package List:

• SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (aarch64 x86_64)
  • kubernetes1.23-client-1.23.17-150300.7.12.1
  • kubernetes1.23-client-common-1.23.17-150300.7.12.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • kubernetes1.23-client-1.23.17-150300.7.12.1
  • kubernetes1.23-client-common-1.23.17-150300.7.12.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • kubernetes1.23-client-1.23.17-150300.7.12.1
  • kubernetes1.23-client-common-1.23.17-150300.7.12.1
• SUSE Linux Enterprise Server 15 SP3 LTSS (aarch64 ppc64le s390x x86_64)
  • kubernetes1.23-client-1.23.17-150300.7.12.1
  • kubernetes1.23-client-common-1.23.17-150300.7.12.1
• SUSE Linux Enterprise Server 15 SP3 LTSS (ppc64le)
  • kubernetes1.23-client-debuginfo-1.23.17-150300.7.12.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • kubernetes1.23-client-1.23.17-150300.7.12.1
  • kubernetes1.23-client-common-1.23.17-150300.7.12.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (ppc64le)
  • kubernetes1.23-client-debuginfo-1.23.17-150300.7.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP3 (ppc64le x86_64)
  • kubernetes1.23-client-1.23.17-150300.7.12.1
  • kubernetes1.23-client-common-1.23.17-150300.7.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP3 (ppc64le)
  • kubernetes1.23-client-debuginfo-1.23.17-150300.7.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • kubernetes1.23-client-1.23.17-150300.7.12.1
  • kubernetes1.23-client-common-1.23.17-150300.7.12.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le)
  • kubernetes1.23-client-debuginfo-1.23.17-150300.7.12.1
• SUSE Enterprise Storage 7.1 (aarch64 x86_64)
  • kubernetes1.23-client-1.23.17-150300.7.12.1
  • kubernetes1.23-client-common-1.23.17-150300.7.12.1

References:

• https://www.suse.com/security/cve/CVE-2021-25743.html
• https://www.suse.com/security/cve/CVE-2023-2431.html
• https://www.suse.com/security/cve/CVE-2024-0793.html
• https://www.suse.com/security/cve/CVE-2024-3177.html
• https://www.suse.com/security/cve/CVE-2025-22872.html
• https://bugzilla.suse.com/show_bug.cgi?id=1194400
• https://bugzilla.suse.com/show_bug.cgi?id=1212493
• https://bugzilla.suse.com/show_bug.cgi?id=1219964
• https://bugzilla.suse.com/show_bug.cgi?id=1222539
• https://bugzilla.suse.com/show_bug.cgi?id=1229008
• https://bugzilla.suse.com/show_bug.cgi?id=1241865