PT-2026-89307 · Red Hat · Red Hat Hardened Images
CVE-2026-84042
·
Published
2026-09-10
·
Updated
2026-09-10
CVSS v3.1
7.8
High
| Vector | AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
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
Fix
Improper Privilege Management
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Weakness Enumeration
Related Identifiers
Affected Products
Red Hat Hardened Images