Security update for runc

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