Linux Kernel Improper Authentication Vulnerability (CVE-2022-0492)
Severity: high · Patch status: patched · Since 2026-06-02 · CVE-2022-0492
Linux Kernel contains an improper authentication vulnerability which could allow for privilege escalation via the cgroups v1 releaseagent feature. CISA added CVE-2022-0492 to its Known Exploited Vulnerabilities catalog on Jun 2, 2026, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Jun 5, 2026 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch