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SUSE SLED15 / SLES15 / openSUSE 15 Security Update : runc (SUSE-SU-2025:3950-1)

high Nessus Plugin ID 274485

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3950-1 advisory.

 - 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>

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected runc package.

See Also

https://bugzilla.suse.com/1252232

http://www.nessus.org/u?e442050e

https://www.suse.com/security/cve/CVE-2025-31133

https://www.suse.com/security/cve/CVE-2025-52565

https://www.suse.com/security/cve/CVE-2025-52881

Plugin Details

Severity: High

ID: 274485

File Name: suse_SU-2025-3950-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 11/7/2025

Updated: 11/7/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2025-52881

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.4

Threat Score: 7.1

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H

CVSS Score Source: CVE-2025-52565

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:runc, cpe:/o:novell:suse_linux:15

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/5/2025

Vulnerability Publication Date: 11/5/2025

Reference Information

CVE: CVE-2025-31133, CVE-2025-52565, CVE-2025-52881

SuSE: SUSE-SU-2025:3950-1