Skip to content
OpenAdvisories
Medium RHSA-2020:0942 1 CVE

Red Hat Security Advisory: runc security update

Published Sep 13, 2024 · Updated Jun 27, 2026

Fixed packages 2

ReleasePackageFixed in
Red Hat · Rhel Extras Other 7 rhel_extras_other:7 runc 0:1.0.0-66.rc8.el7_7
Red Hat · Rhel Extras Other 7 rhel_extras_other:7 runc-debuginfo 0:1.0.0-66.rc8.el7_7

Vulnerabilities 1

  • Medium 5.9

    opencontainers runc contains procfs race condition with a shared volume mount

    runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run cus…

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1796107
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_0942.json
  • report
    https://access.redhat.com/security/cve/CVE-2019-19921
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2019-19921
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2019-19921