RHSA-2025:22011 - Security Advisory

Topic

An update for buildah is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a Dockerfile; Build both Docker and OCI images.

Security Fix(es):

• runc: container escape and denial of service due to arbitrary write gadgets and procfs write redirects (CVE-2025-52881)
• golang: archive/tar: Unbounded allocation when parsing GNU sparse map (CVE-2025-58183)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 9 x86_64
• Red Hat Enterprise Linux for IBM z Systems 9 s390x
• Red Hat Enterprise Linux for Power, little endian 9 ppc64le
• Red Hat Enterprise Linux for ARM 64 9 aarch64

Fixes

• BZ - 2404715 - CVE-2025-52881 runc: opencontainers/selinux: container escape and denial of service due to arbitrary write gadgets and procfs write redirects
• BZ - 2407258 - CVE-2025-58183 golang: archive/tar: Unbounded allocation when parsing GNU sparse map

CVEs

• CVE-2025-52881
• CVE-2025-58183

References

• https://access.redhat.com/security/updates/classification/#important