Is CVE-2022-0492 being actively exploited?

Yes. CVE-2022-0492 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on June 2, 2026.

What is the CVSS score for CVE-2022-0492?

CVE-2022-0492 has a CVSS 3.1 base score of 7.8 (HIGH).

CVE-2022-0492

HIGH · CVSS 7.8CISA KEV: actively exploitedEPSS 5.5%EU EUVD: exploited

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.

Key facts

CVSS score: 7.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-287
EPSS score: 5.5% (93th percentile)
In CISA KEV: Yes, added June 2, 2026
In EU EUVD: Yes (EUVD-2022-15629)
Published: March 3, 2022
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Linux Kernel Improper Authentication Vulnerability

Added to the KEV catalog on June 2, 2026; federal remediation due June 5, 2026.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2022-15629 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on June 3, 2026.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
debian / debian linux
fedoraproject / fedora
linux / linux kernel
linux / linux kernel
linux / linux kernel
netapp / bootstrap os
netapp / h300s
netapp / h300s firmware
netapp / h410c
netapp / h410c firmware
netapp / h410s
netapp / h410s firmware
netapp / h500s
netapp / h500s firmware
netapp / h700s
netapp / h700s firmware
netapp / hci compute node
netapp / solidfire & hci management node
netapp / solidfire, enterprise sds & hci storage node
redhat / codeready linux builder
redhat / codeready linux builder
redhat / codeready linux builder for power little endian
redhat / codeready linux builder for power little endian
redhat / enterprise linux
redhat / enterprise linux eus
redhat / enterprise linux for ibm z systems
redhat / enterprise linux for ibm z systems eus
redhat / enterprise linux for power little endian
redhat / enterprise linux for power little endian eus
redhat / enterprise linux for real time for nfv tus
redhat / enterprise linux for real time for nfv tus
redhat / enterprise linux for real time tus
redhat / enterprise linux for real time tus
redhat / enterprise linux server aus
redhat / enterprise linux server for power little endian update services for sap solutions
redhat / enterprise linux server for power little endian update services for sap solutions
redhat / enterprise linux server tus
redhat / enterprise linux server update services for sap solutions
redhat / enterprise linux server update services for sap solutions
redhat / virtualization host

Certified products that may be affected

25 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 8 NSS Cryptographic Module - Red Hat, Inc. - FIPS 140 5513 - active
Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, LLC - FIPS 140 5461 - active
Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, Inc. - FIPS 140 5089 - active
Red Hat Enterprise Linux 8 OpenSSL Cryptographic Module - Red Hat®, Inc. - FIPS 140 4642 - historical
Red Hat Enterprise Linux 8 NSS Cryptographic Module - Red Hat®, Inc. - FIPS 140 4458 - historical

See all 25 in the Security Certifications Explorer.

References

http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html(Third Party Advisory, VDB Entry)
http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html(Third Party Advisory, VDB Entry)
http://packetstormsecurity.com/files/176099/Docker-cgroups-Container-Escape.html(Exploit, VDB Entry)
https://bugzilla.redhat.com/show_bug.cgi?id=2051505(Issue Tracking, Patch, Third Party Advisory)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af(Patch, Vendor Advisory)
https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html(Mailing List, Third Party Advisory)
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html(Mailing List, Third Party Advisory)
https://security.netapp.com/advisory/ntap-20220419-0002/(Third Party Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0492(US Government Resource)
https://www.debian.org/security/2022/dsa-5095(Third Party Advisory)
https://www.debian.org/security/2022/dsa-5096(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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