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Medium ALSA-2026:6622 1 CVE

Moderate: crun security update

Published Apr 6, 2026 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

crun is a OCI runtime

Security Fix(es):

* crun: crun: Privilege escalation due to incorrect parsing of the `--user` option (CVE-2026-30892)

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 1

ReleasePackageFixed in
AlmaLinux · 10 crun 1.27-1.el10_1

Vulnerabilities 1

  • None 0.0
    CVE-2026-30892

    Crun incorrectly parses `crun exec` option `-u`, leading to privilege escalation

    crun is an open source OCI Container Runtime fully written in C. In versions 1.19 through 1.26, the `crun exec` option `-u` (`--user`) is incorrectly parsed. The value `1` is interpreted as UID 0 and GID 0 when it should have been UID 1 and GID 0. The process…

    containers crun crun crun Debian Ubuntu Azure Linux Alpine

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-30892
  • report
    https://bugzilla.redhat.com/2451576
  • advisory
    https://errata.almalinux.org/10/ALSA-2026-6622.html