runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.
https://bugzilla.opensuse.org/show_bug.cgi?id=1185405
https://github.com/opencontainers/runc/commit/0ca91f44f1664da834bc61115a849b56d22f595f
https://github.com/opencontainers/runc/releases
https://github.com/opencontainers/runc/security/advisories/GHSA-c3xm-pvg7-gh7r
https://lists.debian.org/debian-lts-announce/2023/03/msg00023.html
https://security.gentoo.org/glsa/202107-26