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OpenAdvisories
High RHSA-2021:2057 1 CVE

Red Hat Security Advisory: OpenShift Container Platform 4.5.40 security and bug fix update

Published Sep 13, 2024 · Updated Aug 12, 2026

Ecosystem: Red Hat

Fixed packages 9

ReleasePackageFixed in
Red Hat · OpenShift 4 openshift:4.5::el7 openshift 0:4.5.0-202105121820.p0.git.d8ef5ad.el7
Red Hat · OpenShift 4 openshift:4.5::el7 openshift-hyperkube 0:4.5.0-202105121820.p0.git.d8ef5ad.el7
Red Hat · OpenShift 4 openshift:4.5::el7 runc 0:1.0.0-74.rhaos4.5.gitd2c3b70.el7
Red Hat · OpenShift 4 openshift:4.5::el7 runc-debuginfo 0:1.0.0-74.rhaos4.5.gitd2c3b70.el7
Red Hat · OpenShift 4 openshift:4.5::el8 openshift 0:4.5.0-202105121820.p0.git.d8ef5ad.el8
Red Hat · OpenShift 4 openshift:4.5::el8 openshift-hyperkube 0:4.5.0-202105121820.p0.git.d8ef5ad.el8
Red Hat · OpenShift 4 openshift:4.5::el8 runc 0:1.0.0-74.rhaos4.5.gitd2c3b70.el8
Red Hat · OpenShift 4 openshift:4.5::el8 runc-debuginfo 0:1.0.0-74.rhaos4.5.gitd2c3b70.el8
Red Hat · OpenShift 4 openshift:4.5::el8 runc-debugsource 0:1.0.0-74.rhaos4.5.gitd2c3b70.el8

Vulnerabilities 1

  • High 7.6
    CVE-2021-30465 EPSS 10%

    mount destinations can be swapped via symlink-exchange to cause mounts outside the rootfs

    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 a…

    buildah runc github.com/opencontainers/runc k3s Debian Ubuntu Azure Linux Alpine Go

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • article
    https://access.redhat.com/security/vulnerabilities/RHSB-2021-004
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1954736
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1962453
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2057.json
  • report
    https://access.redhat.com/security/cve/CVE-2021-30465
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-30465
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-30465
  • article
    https://github.com/opencontainers/runc/security/advisories/GHSA-c3xm-pvg7-gh7r