Skip to content
OpenAdvisories
High ALSA-2025:21232 3 CVEs

Important: container-tools:rhel8 security update

Published Nov 13, 2025 · Updated Oct 29, 2026

Summary

The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc.

Security Fix(es):

* runc: container escape via 'masked path' abuse due to mount race conditions (CVE-2025-31133)
* runc: container escape with malicious config due to /dev/console mount and related races (CVE-2025-52565)
* runc: container escape and denial of service due to arbitrary write gadgets and procfs write redirects (CVE-2025-52881)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 90

ReleasePackageFixed in
AlmaLinux · 8 aardvark-dns 2:1.10.1-2.module_el8.10.0+3909+6e1c1eb7
AlmaLinux · 8 aardvark-dns 2:1.10.1-2.module_el8.10.0+4023+db236c53
AlmaLinux · 8 aardvark-dns 2:1.10.1-2.module_el8.10.0+4047+545787c4
AlmaLinux · 8 buildah 2:1.33.12-2.module_el8.10.0+4023+db236c53
AlmaLinux · 8 buildah 2:1.33.12-2.module_el8.10.0+4047+545787c4
AlmaLinux · 8 buildah 2:1.33.12-2.module_el8.10.0+4016+efd18bf8
AlmaLinux · 8 buildah-tests 2:1.33.12-2.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 buildah-tests 2:1.33.12-2.module_el8.10.0+4047+545787c4
AlmaLinux · 8 cockpit-podman 84.1-1.module_el8.10.0+4016+efd18bf8
AlmaLinux · 8 conmon 3:2.1.10-1.module_el8.10.0+3970+8445edf6
AlmaLinux · 8 conmon 3:2.1.10-1.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 container-selinux 2:2.229.0-2.module_el8.10.0+3909+6e1c1eb7
AlmaLinux · 8 containernetworking-plugins 1:1.4.0-6.module_el8.10.0+4016+efd18bf8
AlmaLinux · 8 containernetworking-plugins 1:1.4.0-6.module_el8.10.0+4047+545787c4
AlmaLinux · 8 containernetworking-plugins 1:1.4.0-6.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 containers-common 2:1-82.module_el8.10.0+3876+e55593a8
AlmaLinux · 8 containers-common 2:1-82.module_el8.10.0+4047+545787c4
AlmaLinux · 8 containers-common 2:1-82.module_el8.10.0+3901+4b80ecd7
AlmaLinux · 8 containers-common 2:1-82.module_el8.10.0+3970+8445edf6
AlmaLinux · 8 crit 3.18-5.module_el8.10.0+3901+4b80ecd7
AlmaLinux · 8 crit 3.18-5.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 crit 3.18-5.module_el8.10.0+3845+87b84552
AlmaLinux · 8 crit 3.18-5.module_el8.10.0+3858+6ad51f9f
AlmaLinux · 8 criu 3.18-5.module_el8.10.0+3926+f12484f5
AlmaLinux · 8 criu 3.18-5.module_el8.10.0+3876+e55593a8
AlmaLinux · 8 criu 3.18-5.module_el8.10.0+3970+8445edf6
AlmaLinux · 8 criu 3.18-5.module_el8.10.0+3909+6e1c1eb7
AlmaLinux · 8 criu-devel 3.18-5.module_el8.10.0+4016+efd18bf8
AlmaLinux · 8 criu-devel 3.18-5.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 criu-devel 3.18-5.module_el8.10.0+3858+6ad51f9f
AlmaLinux · 8 criu-libs 3.18-5.module_el8.10.0+4016+efd18bf8
AlmaLinux · 8 criu-libs 3.18-5.module_el8.10.0+3970+8445edf6
AlmaLinux · 8 criu-libs 3.18-5.module_el8.10.0+3926+f12484f5
AlmaLinux · 8 criu-libs 3.18-5.module_el8.10.0+3909+6e1c1eb7
AlmaLinux · 8 crun 1.14.3-2.module_el8.10.0+3845+87b84552
AlmaLinux · 8 crun 1.14.3-2.module_el8.10.0+3909+6e1c1eb7
AlmaLinux · 8 crun 1.14.3-2.module_el8.10.0+3926+f12484f5
AlmaLinux · 8 fuse-overlayfs 1.13-1.module_el8.10.0+4047+545787c4
AlmaLinux · 8 fuse-overlayfs 1.13-1.module_el8.10.0+3909+6e1c1eb7
AlmaLinux · 8 fuse-overlayfs 1.13-1.module_el8.10.0+3792+03eaed9c
AlmaLinux · 8 fuse-overlayfs 1.13-1.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 libslirp 4.4.0-2.module_el8.10.0+3876+e55593a8
AlmaLinux · 8 libslirp 4.4.0-2.module_el8.10.0+4023+db236c53
AlmaLinux · 8 libslirp 4.4.0-2.module_el8.10.0+3845+87b84552
AlmaLinux · 8 libslirp 4.4.0-2.module_el8.10.0+3858+6ad51f9f
AlmaLinux · 8 libslirp-devel 4.4.0-2.module_el8.10.0+3909+6e1c1eb7
AlmaLinux · 8 libslirp-devel 4.4.0-2.module_el8.10.0+3970+8445edf6
AlmaLinux · 8 libslirp-devel 4.4.0-2.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 netavark 2:1.10.3-1.module_el8.10.0+4023+db236c53
AlmaLinux · 8 netavark 2:1.10.3-1.module_el8.10.0+3926+f12484f5
AlmaLinux · 8 netavark 2:1.10.3-1.module_el8.10.0+3970+8445edf6
AlmaLinux · 8 netavark 2:1.10.3-1.module_el8.10.0+4016+efd18bf8
AlmaLinux · 8 oci-seccomp-bpf-hook 1.2.10-1.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 oci-seccomp-bpf-hook 1.2.10-1.module_el8.10.0+4047+545787c4
AlmaLinux · 8 oci-seccomp-bpf-hook 1.2.10-1.module_el8.10.0+3909+6e1c1eb7
AlmaLinux · 8 podman 4:4.9.4-23.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 podman 4:4.9.4-23.module_el8.10.0+4047+545787c4
AlmaLinux · 8 podman-catatonit 4:4.9.4-23.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 podman-catatonit 4:4.9.4-23.module_el8.10.0+4047+545787c4
AlmaLinux · 8 podman-docker 4:4.9.4-23.module_el8.10.0+4047+545787c4
AlmaLinux · 8 podman-gvproxy 4:4.9.4-23.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 podman-gvproxy 4:4.9.4-23.module_el8.10.0+4047+545787c4
AlmaLinux · 8 podman-plugins 4:4.9.4-23.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 podman-plugins 4:4.9.4-23.module_el8.10.0+4047+545787c4
AlmaLinux · 8 podman-remote 4:4.9.4-23.module_el8.10.0+4047+545787c4
AlmaLinux · 8 podman-remote 4:4.9.4-23.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 podman-tests 4:4.9.4-23.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 podman-tests 4:4.9.4-23.module_el8.10.0+4047+545787c4
AlmaLinux · 8 python3-criu 3.18-5.module_el8.10.0+3926+f12484f5
AlmaLinux · 8 python3-criu 3.18-5.module_el8.10.0+3876+e55593a8
AlmaLinux · 8 python3-criu 3.18-5.module_el8.10.0+3970+8445edf6
AlmaLinux · 8 python3-criu 3.18-5.module_el8.10.0+4023+db236c53
AlmaLinux · 8 python3-podman 4.9.0-3.module_el8.10.0+4016+efd18bf8
AlmaLinux · 8 runc 4:1.2.5-2.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 skopeo 2:1.14.5-4.module_el8.10.0+4047+545787c4
AlmaLinux · 8 skopeo 2:1.14.5-4.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 skopeo-tests 2:1.14.5-4.module_el8.10.0+4047+545787c4
AlmaLinux · 8 skopeo-tests 2:1.14.5-4.module_el8.10.0+4016+efd18bf8
AlmaLinux · 8 skopeo-tests 2:1.14.5-4.module_el8.10.0+4068+0e21408f
AlmaLinux · 8 slirp4netns 1.2.3-1.module_el8.10.0+4047+545787c4
AlmaLinux · 8 slirp4netns 1.2.3-1.module_el8.10.0+4023+db236c53
AlmaLinux · 8 slirp4netns 1.2.3-1.module_el8.10.0+3926+f12484f5
AlmaLinux · 8 slirp4netns 1.2.3-1.module_el8.10.0+3876+e55593a8
AlmaLinux · 8 toolbox 0.0.99.5-2.module_el8.10.0+3845+87b84552
AlmaLinux · 8 toolbox 0.0.99.5-2.module_el8.10.0+3876+e55593a8
AlmaLinux · 8 toolbox 0.0.99.5-2.module_el8.10.0+4047+545787c4
AlmaLinux · 8 toolbox-tests 0.0.99.5-2.module_el8.10.0+3858+6ad51f9f
AlmaLinux · 8 toolbox-tests 0.0.99.5-2.module_el8.10.0+4023+db236c53
AlmaLinux · 8 toolbox-tests 0.0.99.5-2.module_el8.10.0+3909+6e1c1eb7
AlmaLinux · 8 udica 0.2.6-21.module_el8.10.0+4068+0e21408f

Vulnerabilities 3

  • High 8.4

    container escape due to /dev/console mount and related races

    runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting `/dev/pts/$n` to `/dev/cons…

  • High 7.3
    CVE-2025-31133 Public exploit

    runc container escape via "masked path" abuse due to mount race conditions

    runc is a CLI tool for spawning and running containers according to the OCI specification. In versions 1.2.7 and below, 1.3.0-rc.1 through 1.3.1, 1.4.0-rc.1 and 1.4.0-rc.2 files, runc would not perform sufficient verification that the source of the bind-mount…

  • High 7.3
    CVE-2025-52881 Public exploit

    runc: LSM labels can be bypassed with malicious config using dummy procfs files

    runc is a CLI tool for spawning and running containers according to the OCI specification. In versions 1.2.7, 1.3.2 and 1.4.0-rc.2, an attacker can trick runc into misdirecting writes to /proc to other procfs files through the use of a racing container with s…

References

  • report
    https://access.redhat.com/security/cve/CVE-2025-31133
  • report
    https://access.redhat.com/security/cve/CVE-2025-52565
  • report
    https://access.redhat.com/security/cve/CVE-2025-52881
  • report
    https://bugzilla.redhat.com/2404705
  • report
    https://bugzilla.redhat.com/2404708
  • report
    https://bugzilla.redhat.com/2404715
  • advisory
    https://errata.almalinux.org/8/ALSA-2025-21232.html