Skip to content
OpenAdvisories
High RHSA-2025:21633 1 CVE

Red Hat Security Advisory: buildah security update

Published Nov 18, 2025 · Updated Oct 16, 2026

Ecosystem: Red Hat

Fixed packages 5

ReleasePackageFixed in
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 buildah 2:1.39.5-1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 buildah-debuginfo 2:1.39.5-1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 buildah-debugsource 2:1.39.5-1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 buildah-tests 2:1.39.5-1.el10_0
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 buildah-tests-debuginfo 2:1.39.5-1.el10_0

Vulnerabilities 1

  • High 7.3
    CVE-2025-52881 Public exploit

    runc: LSM labels can be bypassed with malicious config using dummy procfs files

    runc is a CLI tool for spawning and running containers according to the OCI specification. In versions 1.2.7, 1.3.2 and 1.4.0-rc.2, an attacker can trick runc into misdirecting writes to /proc to other procfs files through the use of a racing container with s…

    opencontainers runc zot kubescape Debian Ubuntu Azure Linux Alpine Wolfi Go

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2404715
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_21633.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-52881
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-52881
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-52881
  • article
    https://github.com/opencontainers/runc/security/advisories/GHSA-cgrx-mc8f-2prm
  • article
    https://github.com/opencontainers/selinux/pull/237