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OpenAdvisories
High RHSA-2026:0331 3 CVEs

Red Hat Security Advisory: OpenShift Container Platform 4.18.31 packages and security update

Published Jan 16, 2026 · Updated Oct 16, 2026

Ecosystem: Red Hat

Fixed packages 6

ReleasePackageFixed in
Red Hat · OpenShift 4 openshift:4.18::el8 runc 4:1.2.9-1.rhaos4.18.el8
Red Hat · OpenShift 4 openshift:4.18::el8 runc-debuginfo 4:1.2.9-1.rhaos4.18.el8
Red Hat · OpenShift 4 openshift:4.18::el8 runc-debugsource 4:1.2.9-1.rhaos4.18.el8
Red Hat · OpenShift 4 openshift:4.18::el9 runc 4:1.2.9-1.rhaos4.18.el9
Red Hat · OpenShift 4 openshift:4.18::el9 runc-debuginfo 4:1.2.9-1.rhaos4.18.el9
Red Hat · OpenShift 4 openshift:4.18::el9 runc-debugsource 4:1.2.9-1.rhaos4.18.el9

Vulnerabilities 3

  • High 8.4
    CVE-2025-52565

    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…

    opencontainers runc k3s-static-1.32 falco-no-driver Debian Ubuntu Azure Linux Alpine Wolfi Go
  • 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…

    opencontainers runc k3s-static-1.32 falco-no-driver Debian Ubuntu Azure Linux Alpine Wolfi Go
  • 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…

    opencontainers runc zot kubescape Debian Ubuntu Azure Linux Alpine Wolfi Go

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2404705
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2404708
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2404715
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0331.json
  • report
    https://access.redhat.com/security/cve/CVE-2025-31133
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-31133
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-31133
  • article
    https://github.com/opencontainers/runc/security/advisories/GHSA-9493-h29p-rfm2
  • report
    https://access.redhat.com/security/cve/CVE-2025-52565
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-52565
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-52565
  • article
    https://github.com/opencontainers/runc/security/advisories/GHSA-qw9x-cqr3-wc7r
  • report
    https://access.redhat.com/security/cve/CVE-2025-52881
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2025-52881
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2025-52881
  • article
    https://github.com/opencontainers/runc/security/advisories/GHSA-cgrx-mc8f-2prm
  • article
    https://github.com/opencontainers/selinux/pull/237