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VulnerabilityCVE-2022-0492Published 2022-03-03

CVE-2022-0492 — kernel

highCISA KEVPublic exploit9 PoC repos

As of 2026-06-03, CVE-2022-0492 is a HIGH-severity vulnerability in kernel, CVSS v3.1 7.8, EPSS 5.5% (92.6th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-06-02), with a US federal remediation deadline of 2026-06-05. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2022-0492, most recently “Linux Kernel cgroups v1 release_agent Container Escape & Privilege Escalation (CVE-2022-0492) — Added to CISA KEV (Active Exploitation)”.

CVSS v3.1
7.8/10High
EPSS
5.5%Higher than 92.6% of scored CVEs
CISA KEV
ListedAdded · due 2026-06-05
Tracked threats
1Campaigns referencing it
Priority
9/10Threadlinqs triage score
Published
Updated 2026-06-03
CVSS v3.1 7.8 (HIGH) · EPSS 5.5% (higher than 92.6% of all scored CVEs) · Priority 9/10 · Published 2022-03-03

Last updated:

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.

The record classifies CVE-2022-0492 under weakness class CWE-287. Its CVSS v3 base vector states that the flaw requires local access to the host, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 1682 days ago.

Severity and exploitation probability

CVSS v3.1 base score
7.8 — HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (FIRST)
5.5% probability of exploitation in the next 30 days, higher than 92.6% of all scored CVEs
CISA KEV
Listed since 2026-06-02, federal remediation deadline 2026-06-05
Threadlinqs priority
9/10 — CISA KEV-listed, which Threadlinqs floors at 9
Published
2022-03-03, last modified 2026-06-03

Is CVE-2022-0492 being exploited?

CISA added CVE-2022-0492 to the Known Exploited Vulnerabilities catalog on 2026-06-02, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2026-06-05 under BOD 22-01. Weaponised exploit code for CVE-2022-0492 is publicly available. 9 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 46 in the Threadlinqs vulnerability feed.

Affected products and versions

  • (vendor unspecified): kernel

How to fix CVE-2022-0492

The record marks a vendor fix as available for CVE-2022-0492. Patch reference: https://bugzilla.redhat.com/show_bug.cgi?id=2051505. Vendor advisory: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af. Because CVE-2022-0492 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2026-06-05. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2022-0492

1 tracked threat in the Threadlinqs corpus references CVE-2022-0492, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, CISA KEV, public proof-of-concept repositories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Vendor advisory and patch

Mailing list and disclosure

Other references

Showing 9 of 10 recorded references.