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Known exploited vulnerability

CVE-2022-0492

highCVSS 3.1 7.8In CISA KEVEPSS 5.5%Published · n/a

The short answer

CVE-2022-0492 affects n/a kernel and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2026-06-02: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

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.

Weakness: CWE-287, CWE-862.

Severity

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Jun 2, 2026

Federal due date Jun 5, 2026

EPSS, next 30 days

5.5%

Higher than 93% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says 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.

Affected products

kernel. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2022-0492 being exploited?

Yes. CISA added CVE-2022-0492 to its Known Exploited Vulnerabilities catalog on 2026-06-02, with a federal remediation due date of 2026-06-05.

How do I fix CVE-2022-0492?

CISA's 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.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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