June 2, 2026 · Applied Cybernetics Group
CVE-2022-0492 — Linux Kernel
Linux Kernel Improper Authentication Vulnerability
- Added to KEV
2026-06-02- Federal due date
2026-06-05- Vendor
- Linux
- Product
- Kernel
- EPSS
- 97.0th percentile (score 0.337, as of
2026-06-08) - NVD CVSS v3.1
- 7.8 (HIGH)
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2022-0492
CISA short description
Linux Kernel contains an improper authentication vulnerability which could allow for privilege escalation via the cgroups v1 release_agent feature.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
NVD description
A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. This flaw, under certain circumstances, allows the use of the cgroups v1 release_agent feature to escalate privileges and bypass the namespace isolation unexpectedly.