CVE-2021-4034

Vulnerability details

The Red Hat polkit pkexec utility contains an out-of-bounds read and write vulnerability that allows for privilege escalation with administrative rights.

Added to CISA KEV: 2022-06-27

Ransomware campaign use: Known

CISA due date: 2022-07-18

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.