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runc: incorrect handling of inheritable capabilities

🗓️ 10 Aug 2022 10:13:03Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

A flaw in runc makes exec --cap run with inheritable capabilities, enabling elevation at execve.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64runc3:1.1.2-1.rhaos4.11.el8runc-3:1.1.2-1.rhaos4.11.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lerunc3:1.1.2-1.rhaos4.11.el8runc-3:1.1.2-1.rhaos4.11.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xrunc3:1.1.2-1.rhaos4.11.el8runc-3:1.1.2-1.rhaos4.11.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64runc3:1.1.2-1.rhaos4.11.el8runc-3:1.1.2-1.rhaos4.11.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64runc-debuginfo3:1.1.2-1.rhaos4.11.el8runc-debuginfo-3:1.1.2-1.rhaos4.11.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lerunc-debuginfo3:1.1.2-1.rhaos4.11.el8runc-debuginfo-3:1.1.2-1.rhaos4.11.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xrunc-debuginfo3:1.1.2-1.rhaos4.11.el8runc-debuginfo-3:1.1.2-1.rhaos4.11.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64runc-debuginfo3:1.1.2-1.rhaos4.11.el8runc-debuginfo-3:1.1.2-1.rhaos4.11.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64runc-debugsource3:1.1.2-1.rhaos4.11.el8runc-debugsource-3:1.1.2-1.rhaos4.11.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lerunc-debugsource3:1.1.2-1.rhaos4.11.el8runc-debugsource-3:1.1.2-1.rhaos4.11.el8.ppc64le.rpm
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03 Jul 2026 17:37Current
6.8Medium risk
Vulners AI Score6.8
CVSS 24.6
CVSS 3.15.9 - 7.8
EPSS0.00386
SSVC
4