SUSE-SU-2025:02423-1: moderate: Security update for kubernetes1.23

[SLE-UPDATES]

# Security update for kubernetes1.23

Announcement ID: SUSE-SU-2025:02423-1  
Release Date: 2025-07-21T08:36:42Z  
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:

  * openSUSE Leap 15.3

  
  
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:

  * openSUSE Leap 15.3  
    zypper in -t patch SUSE-2025-2423=1

## Package List:

  * openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64)
    * kubernetes1.23-scheduler-1.23.17-150300.7.12.1
    * kubernetes1.23-client-1.23.17-150300.7.12.1
    * kubernetes1.23-kubelet-common-1.23.17-150300.7.12.1
    * kubernetes1.23-controller-manager-1.23.17-150300.7.12.1
    * kubernetes1.23-apiserver-1.23.17-150300.7.12.1
    * kubernetes1.23-proxy-1.23.17-150300.7.12.1
    * kubernetes1.23-kubelet-1.23.17-150300.7.12.1
    * kubernetes1.23-client-common-1.23.17-150300.7.12.1
    * kubernetes1.23-kubeadm-1.23.17-150300.7.12.1
  * openSUSE Leap 15.3 (noarch)
    * kubernetes1.23-client-fish-completion-1.23.17-150300.7.12.1
    * kubernetes1.23-client-bash-completion-1.23.17-150300.7.12.1
  * openSUSE Leap 15.3 (ppc64le)
    * kubernetes1.23-controller-manager-debuginfo-1.23.17-150300.7.12.1
    * kubernetes1.23-kubelet-debuginfo-1.23.17-150300.7.12.1
    * kubernetes1.23-proxy-debuginfo-1.23.17-150300.7.12.1
    * kubernetes1.23-kubeadm-debuginfo-1.23.17-150300.7.12.1
    * kubernetes1.23-apiserver-debuginfo-1.23.17-150300.7.12.1
    * kubernetes1.23-scheduler-debuginfo-1.23.17-150300.7.12.1
    * kubernetes1.23-client-debuginfo-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

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