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runc: opencontainers/selinux: container escape and denial of service due to arbitrary write gadgets and procfs write redirects

🗓️ 04 Mar 2026 15:54:04Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

runc vulnerability enables container escape and denial of service via proc filesystem redirects (variant of CVE-2019-16884).

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64buildah2:1.33.12-4.rhaos4.19.el9buildah-2:1.33.12-4.rhaos4.19.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebuildah2:1.33.12-4.rhaos4.19.el9buildah-2:1.33.12-4.rhaos4.19.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xbuildah2:1.33.12-4.rhaos4.19.el9buildah-2:1.33.12-4.rhaos4.19.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64buildah2:1.33.12-4.rhaos4.19.el9buildah-2:1.33.12-4.rhaos4.19.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64buildah-debuginfo2:1.33.12-4.rhaos4.19.el9buildah-debuginfo-2:1.33.12-4.rhaos4.19.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebuildah-debuginfo2:1.33.12-4.rhaos4.19.el9buildah-debuginfo-2:1.33.12-4.rhaos4.19.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xbuildah-debuginfo2:1.33.12-4.rhaos4.19.el9buildah-debuginfo-2:1.33.12-4.rhaos4.19.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64buildah-debuginfo2:1.33.12-4.rhaos4.19.el9buildah-debuginfo-2:1.33.12-4.rhaos4.19.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64buildah-debugsource2:1.33.12-4.rhaos4.19.el9buildah-debugsource-2:1.33.12-4.rhaos4.19.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebuildah-debugsource2:1.33.12-4.rhaos4.19.el9buildah-debugsource-2:1.33.12-4.rhaos4.19.el9.ppc64le.rpm
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14 Jul 2026 21:51Current
7.3High risk
Vulners AI Score7.3
CVSS 3.17.5
CVSS 47.3
EPSS0.00523
SSVC
6