SUSE-SU-2025:3951-1: important: Security update for runc

[SLE-SECURITY-UPDATES]

# Security update for runc

Announcement ID: SUSE-SU-2025:3951-1  
Release Date: 2025-11-05T10:23:34Z  
Rating: important  
References:

  * bsc#1252232

  
Cross-References:

  * CVE-2025-31133
  * CVE-2025-52565
  * CVE-2025-52881

  
CVSS scores:

  * CVE-2025-31133 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  * CVE-2025-31133 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-52565 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  * CVE-2025-52565 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2025-52881 ( SUSE ):  7.3
    CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  * CVE-2025-52881 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for runc fixes the following issues:

  * CVE-2025-31133: Fixed container escape via 'masked path' abuse due to mount
    race conditions (bsc#1252232).
  * CVE-2025-52565: Fixed container escape with malicious config due to
    /dev/console mount and related races (bsc#1252232).
  * CVE-2025-52881: Fixed container escape and denial of service due to
    arbitrary write gadgets and procfs write redirects (bsc#1252232).

Update to runc v1.2.7.

  * Upstream changelog is available from
    <https://github.com/opencontainers/runc/releases/tag/v1.2.7>

## 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 Server 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2025-3951=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-3951=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * runc-1.2.7-16.67.1
    * runc-debuginfo-1.2.7-16.67.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * runc-1.2.7-16.67.1
    * runc-debuginfo-1.2.7-16.67.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-31133.html
  * https://www.suse.com/security/cve/CVE-2025-52565.html
  * https://www.suse.com/security/cve/CVE-2025-52881.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1252232

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