PT-2026-89336 · Red Hat · Red Hat Hardened Images

CVE-2026-88265

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Published

2026-09-10

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Updated

2026-09-10

CVSS v3.1

5.6

Medium

VectorAV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N
A flaw was found in crun. After pivot root, reopening /dev/null for stdio can follow a symlink and attach a host file to container stdio, then change that file's ownership. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.

Fix

Link Following

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Weakness Enumeration

Related Identifiers

CVE-2026-88265

Affected Products

Red Hat Hardened Images