Description (CNA)
A flaw was found in crun. When crun is built with libkrun and a container is started rootful with passt networking (krun.use_passt), crun can execute attacker-controlled payload from the container image with host root privileges. The issue is a regression in crun 1.29. It affects crun >= 1.29
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Red Hat / Red Hat Enterprise Linux 10 | affected |
| Red Hat / Red Hat Enterprise Linux 8 | unaffected |
| Red Hat / Red Hat Enterprise Linux 9 | affected |
| Red Hat / Red Hat Hardened Images | unaffected |
| Red Hat / Red Hat OpenShift Container Platform 4 | unaffected |
| Red Hat / Red Hat OpenShift Container Platform 4 | unaffected |
| Red Hat / Red Hat OpenShift Container Platform 4 | unaffected |
CWE
CWE-269
References
- https://access.redhat.com/security/cve/CVE-2026-84042
- https://bugzilla.redhat.com/show_bug.cgi?id=2531222
- https://github.com/containers/crun/
ADP enrichment
No English description supplied.
No references supplied.