RHSA-2026:99117HighCVSS 8.4

Red Hat Security Advisory: crun security update

Published
November 12, 2026
Last Modified
November 12, 2026

🔗 CVE IDs covered (1)

📋 Description

CVE-2026-47766 — crun: crun: Arbitrary file creation/overwrite via symlink following

🎯 Affected products14

  • Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • crun-0:1.28-1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • crun-0:1.28-1.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • crun-0:1.28-1.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • crun-0:1.28-1.el9_8.src as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • crun-0:1.28-1.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • crun-debuginfo-0:1.28-1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • crun-debuginfo-0:1.28-1.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • crun-debuginfo-0:1.28-1.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • crun-debuginfo-0:1.28-1.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • crun-debugsource-0:1.28-1.el9_8.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • crun-debugsource-0:1.28-1.el9_8.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • crun-debugsource-0:1.28-1.el9_8.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)
  • crun-debugsource-0:1.28-1.el9_8.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.8)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Explicitly configure a dedicated "/dev" mount point inside the container bundle specification, or restrict untrusted users from deploying custom, unvetted OCI container bundles on the host.

🔗 References (4)