CVE-2023-28642 — AppArmor bypass with symlinked /proc in runc
runc is a CLI tool for spawning and running containers according to the OCI specification. It was found that AppArmor can be bypassed when `/proc` inside the container is symlin…
Published: 2023-03-29 · CVSS: 6.1 · CVSS 3.1
runc is a CLI tool for spawning and running containers according to the OCI specification. It was found that AppArmor can be bypassed when `/proc` inside the container is symlinked with a specific mount configuration. This issue has been fixed in runc version 1.1.5, by prohibiting symlinked `/proc`. See PR #3785 for details. users are advised to upgrade. Users unable to upgrade should avoid using an untrusted container image.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7