CVE-2022-0492
HIGHCVSS 7.8/10Actively ExploitedEPSS 5.53%
Last modified
CVE-2022-0492 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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 has confirmed active exploitation in the wild. EPSS estimates a 5.53% chance of exploitation in the next 30 days.
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.
Metrics
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Netapp | H300s Firmware | All versions | — |
| Netapp | H410c Firmware | All versions | — |
| Netapp | H410s Firmware | All versions | — |
| Netapp | H500s Firmware | All versions | — |
| Netapp | H700s Firmware | All versions | — |
| Netapp | Bootstrap Os | All versions | — |
| Linux | Linux Kernel | >= 2.6.24, < 4.9.301 | — |
| Linux | Linux Kernel | >= 4.10, < 4.14.266 | — |
| Linux | Linux Kernel | >= 4.15, < 4.19.229 | — |
| Linux | Linux Kernel | >= 4.20, < 5.4.177 | — |
| Linux | Linux Kernel | >= 5.5, < 5.10.97 | — |
| Linux | Linux Kernel | >= 5.11, < 5.15.20 | — |
| Linux | Linux Kernel | >= 5.16, < 5.16.6 | — |
| Linux | Linux Kernel | 5.17 | Rc1 |
| Debian | Debian Linux | 9.0 | — |
| Debian | Debian Linux | 10.0 | — |
| Debian | Debian Linux | 11.0 | — |
| Redhat | Codeready Linux Builder | 8.0 | — |
| Redhat | Codeready Linux Builder | 8.2 | — |
| Redhat | Codeready Linux Builder For Power Little Endian | 8.0 | — |
| Redhat | Codeready Linux Builder For Power Little Endian | 8.2 | — |
| Redhat | Virtualization Host | 4.0 | — |
| Redhat | Enterprise Linux | 8.0 | — |
| Redhat | Enterprise Linux Eus | 8.2 | — |
| Redhat | Enterprise Linux For Ibm Z Systems | 8.0 | — |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 8.0 | — |
| Redhat | Enterprise Linux For Power Little Endian | 8.0 | — |
| Redhat | Enterprise Linux For Power Little Endian Eus | 8.0 | — |
| Redhat | Enterprise Linux For Real Time For Nfv Tus | 8.0 | — |
| Redhat | Enterprise Linux For Real Time For Nfv Tus | 8.2 | — |
| Redhat | Enterprise Linux For Real Time Tus | 8.0 | — |
| Redhat | Enterprise Linux For Real Time Tus | 8.2 | — |
| Redhat | Enterprise Linux Server Aus | 8.2 | — |
| Redhat | Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions | 8.1 | — |
| Redhat | Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions | 8.2 | — |
| Redhat | Enterprise Linux Server Tus | 8.2 | — |
| Redhat | Enterprise Linux Server Update Services For Sap Solutions | 8.1 | — |
| Redhat | Enterprise Linux Server Update Services For Sap Solutions | 8.2 | — |
| Canonical | Ubuntu Linux | 14.04 | — |
| Canonical | Ubuntu Linux | 16.04 | — |
| Canonical | Ubuntu Linux | 18.04 | — |
| Canonical | Ubuntu Linux | 20.04 | — |
| Canonical | Ubuntu Linux | 22.04 | — |
| Fedoraproject | Fedora | 35 | — |
| Netapp | Solidfire\, Enterprise Sds \& Hci Storage Node | All versions | — |
| Netapp | Solidfire \& Hci Management Node | All versions | — |
References
- https://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.htmlThird Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.htmlThird Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=2051505Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220419-0002/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5095Third Party Advisory
- https://www.debian.org/security/2022/dsa-5096Third Party Advisory
- https://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.htmlThird Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.htmlThird Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=2051505Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220419-0002/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5095Third Party Advisory
- https://www.debian.org/security/2022/dsa-5096Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-0492US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
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.
How severe is CVE-2022-0492?
CVE-2022-0492 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 5.53% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2022-0492?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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