Red Hat: CVE-2023-28642: runc: AppArmor can be bypassed when `/proc` inside the container is symlinked with a specific mount configuration (Multiple Advisories)

Red Hat: CVE-2023-28642: runc: AppArmor can be bypassed when `/proc` inside the container is symlinked with a specific mount configuration (Multiple Advisories)

Severity

7

CVSS

(AV:L/AC:L/Au:S/C:C/I:C/A:C)

Published

03/29/2023

Created

11/09/2023

Added

11/08/2023

Modified

01/28/2025

Description

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.

Solution(s)

• redhat-upgrade-aardvark-dns
• redhat-upgrade-buildah
• redhat-upgrade-buildah-debuginfo
• redhat-upgrade-buildah-debugsource
• redhat-upgrade-buildah-tests
• redhat-upgrade-buildah-tests-debuginfo
• redhat-upgrade-cockpit-podman
• redhat-upgrade-conmon
• redhat-upgrade-conmon-debuginfo
• redhat-upgrade-conmon-debugsource
• redhat-upgrade-container-selinux
• redhat-upgrade-containernetworking-plugins
• redhat-upgrade-containernetworking-plugins-debuginfo
• redhat-upgrade-containernetworking-plugins-debugsource
• redhat-upgrade-containers-common
• redhat-upgrade-crit
• redhat-upgrade-criu
• redhat-upgrade-criu-debuginfo
• redhat-upgrade-criu-debugsource
• redhat-upgrade-criu-devel
• redhat-upgrade-criu-libs
• redhat-upgrade-criu-libs-debuginfo
• redhat-upgrade-crun
• redhat-upgrade-crun-debuginfo
• redhat-upgrade-crun-debugsource
• redhat-upgrade-fuse-overlayfs
• redhat-upgrade-fuse-overlayfs-debuginfo
• redhat-upgrade-fuse-overlayfs-debugsource
• redhat-upgrade-libslirp
• redhat-upgrade-libslirp-debuginfo
• redhat-upgrade-libslirp-debugsource
• redhat-upgrade-libslirp-devel
• redhat-upgrade-netavark
• redhat-upgrade-oci-seccomp-bpf-hook
• redhat-upgrade-oci-seccomp-bpf-hook-debuginfo
• redhat-upgrade-oci-seccomp-bpf-hook-debugsource
• redhat-upgrade-podman
• redhat-upgrade-podman-catatonit
• redhat-upgrade-podman-catatonit-debuginfo
• redhat-upgrade-podman-debuginfo
• redhat-upgrade-podman-debugsource
• redhat-upgrade-podman-docker
• redhat-upgrade-podman-gvproxy
• redhat-upgrade-podman-gvproxy-debuginfo
• redhat-upgrade-podman-plugins
• redhat-upgrade-podman-plugins-debuginfo
• redhat-upgrade-podman-remote
• redhat-upgrade-podman-remote-debuginfo
• redhat-upgrade-podman-tests
• redhat-upgrade-python3-criu
• redhat-upgrade-python3-podman
• redhat-upgrade-runc
• redhat-upgrade-runc-debuginfo
• redhat-upgrade-runc-debugsource
• redhat-upgrade-skopeo
• redhat-upgrade-skopeo-debuginfo
• redhat-upgrade-skopeo-debugsource
• redhat-upgrade-skopeo-tests
• redhat-upgrade-slirp4netns
• redhat-upgrade-slirp4netns-debuginfo
• redhat-upgrade-slirp4netns-debugsource
• redhat-upgrade-toolbox
• redhat-upgrade-toolbox-debuginfo
• redhat-upgrade-toolbox-debugsource
• redhat-upgrade-toolbox-tests
• redhat-upgrade-udica

References

• CVE-2023-28642
• RHSA-2023:6380
• RHSA-2023:6938
• RHSA-2023:6939