A vulnerability was found in Podman, Buildah, and CRI-O. A symlink traversal vulnerability in the containers/storage library can cause Podman, Buildah, and CRI-O to hang and result in a denial of service via OOM kill when running a malicious image using an automatically assigned user namespace (`--userns=auto` in Podman and Buildah). The containers/storage library will read /etc/passwd inside the container, but does not properly validate if that file is a symlink, which can be used to cause the library to read an arbitrary file on the host.

Red Hat, Inc. AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Red Hat, Inc. CWE-22

Red Hat, Inc. https://access.redhat.com/security/cve/CVE-2024-9676 [No types assigned]

Red Hat, Inc. https://bugzilla.redhat.com/show_bug.cgi?id=2317467 [No types assigned]