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openSUSE: buildah Important Container Breakout Fix CVE-2025-52881

opensuse
Calendar Grey November 12, 2025
Dist Opensuse Esm H88
An important update for buildah fixes a critical container breakout security issue for openSUSE. Upgrade now!
An update that solves one vulnerability can now be installed.

Description

This update for buildah fixes the following issues:

* CVE-2025-52881: Fixed container breakouts by bypassing runc's restrictions

for writing to arbitrary /proc files (bsc#1253096)

Topics%20covered

Topics Covered

security advisory important OpenSUSE buildah container breakout cve-2025-52881

Patch

## 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 15.5

zypper in -t patch SUSE-2025-4076=1

* openSUSE Leap 15.6

zypper in -t patch openSUSE-SLE-15.6-2025-4076=1

* Containers Module 15-SP6

zypper in -t patch SUSE-SLE-Module-Containers-15-SP6-2025-4076=1

* Containers Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Containers-15-SP7-2025-4076=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2025-4076=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2025-4076=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2025-4076=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2025-4076=1

Package List

* openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)

* buildah-1.35.5-150500.3.45.1

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)

* buildah-1.35.5-150500.3.45.1

* Containers Module 15-SP6 (aarch64 ppc64le s390x x86_64)

* buildah-1.35.5-150500.3.45.1

* Containers Module 15-SP7 (aarch64 ppc64le s390x x86_64)

* buildah-1.35.5-150500.3.45.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64

x86_64)

* buildah-1.35.5-150500.3.45.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64

x86_64)

* buildah-1.35.5-150500.3.45.1

* SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)

* buildah-1.35.5-150500.3.45.1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)

* buildah-1.35.5-150500.3.45.1

References

* bsc#1253096

## References:

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

* https://bugzilla.suse.com/show_bug.cgi?id=1253096

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:4076-1
Release Date: 2025-11-12T10:36:00Z
Affected Products: * Containers Module 15-SP6 * Containers Module 15-SP7 * openSUSE Leap 15.5 * openSUSE Leap 15.6 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory important OpenSUSE buildah container breakout cve-2025-52881

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