CVE-2026-88265
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
26/100
Published: 2026-09-10
Modified: 2026-11-06
First seen: 2026-11-06
Status: active
Attack Surface
No Interaction
Integ. Impact
Scope Change
CVSS Vector Breakdown
AV:
Local
AC:
High
PR:
Low
UI:
None
S:
Changed
C:
None
I:
High
A:
None
Description
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.
Weakness Classification (1)
References & Advisories (4)
vendor-advisory
x_refsource_REDHAT
vdb-entry
x_refsource_REDHAT
issue-tracking
x_refsource_REDHAT