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CVE-2022-0492
CVSS 7.8
Actively exploited (KEV)
3 detections found
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.
Detection rules
| Source | Rule | Status | Updated |
|---|---|---|---|
| elastic | Potential notify_on_release Container Escape Detected via Defend for Containers | production | 2026-09-18 |
| elastic | Potential release_agent Container Escape Detected via Defend for Containers | production | 2026-09-18 |
| elastic | Docker Release File Creation | production | 2026-09-18 |