CVE-2022-0492
CVSS v3
7.8
HIGH
EPSS Score
6.1 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 2026-06-02
- Patch Due Date
- 2026-06-05
- Ransomware Use
- Unknown
Technical details
- Published
- 2022-03-03
Frequently asked questions
What is CVE-2022-0492?
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.
Is CVE-2022-0492 actively exploited?
Yes. CVE-2022-0492 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-06-05.
What is the CVSS score for CVE-2022-0492?
CVE-2022-0492 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2022-0492 affecting your environment?
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