runc through 1.1.4 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go.

Summary

runc through 1.1.4 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 custom images. NOTE: this issue exists because of a CVE-2019-19921 regression.

Timeline

1. Mar 3, 2023, 12:00 AM UTCCVE published
2. Apr 26, 2024, 4:00 AM UTCCISA SSVC assessment

   Exploitation: none · Automatable: no · Technical impact: total

3. Dec 16, 2025, 8:02 PM UTCRecord last updated

Affected versions

• n/a n/a

  Version range not reported

• github.com/opencontainers/runcGo

  From 1.0.0-rc95 · fixed in 1.1.5

References 9