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OpenAdvisories
High RHSA-2021:3642 1 CVE

Red Hat Security Advisory: OpenShift Container Platform 4.6.46 security update

Published Sep 16, 2024 · Updated Jul 3, 2026

Ecosystem: Red Hat

Fixed packages 4

ReleasePackageFixed in
Red Hat · OpenShift 4 openshift:4.6::el7 openshift 0:4.6.0-202109180038.p0.git.d5ed12c.assembly.stream.el7
Red Hat · OpenShift 4 openshift:4.6::el7 openshift-hyperkube 0:4.6.0-202109180038.p0.git.d5ed12c.assembly.stream.el7
Red Hat · OpenShift 4 openshift:4.6::el8 openshift 0:4.6.0-202109180038.p0.git.d5ed12c.assembly.stream.el8
Red Hat · OpenShift 4 openshift:4.6::el8 openshift-hyperkube 0:4.6.0-202109180038.p0.git.d5ed12c.assembly.stream.el8

Vulnerabilities 1

  • High 8.8
    CVE-2021-25741 Public exploit

    Symlink Exchange Can Allow Host Filesystem Access

    A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.

    Kubernetes Kubernetes k8s.io/kubernetes kubernetes Debian Go

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1993749
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3642.json
  • report
    https://access.redhat.com/security/cve/CVE-2021-25741
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2021-25741
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2021-25741
  • article
    https://groups.google.com/g/kubernetes-security-announce/c/nyfdhK24H7s