MSRXVulnerabilities / CVE-2022-0492
CVE-2022-0492
Published 2022-03-03 · published (not yet in NVD)
CVE-2022-0492
Exploited in the wild: CISA added it to the Known Exploited Vulnerabilities catalog on 2026-06-02, with a fix-by date of 2026-06-05. Patch it first.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
7.8 HIGH
CVSS 3.1 · CNA
CVSS 3.1 · CNA
5.5%
chance of exploitation in the next 30 days (EPSS; higher than 92% of CVEs)
chance of exploitation in the next 30 days (EPSS; higher than 92% of CVEs)
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.
Scores
Affected products
- n/a kernel: kernel 5.17 rc3
Weakness: CWE-287
Also known as: A-224859358, PUB-A-224859358
10 references (advisories, patches, write-ups)
- https://bugzilla.redhat.com/show_bug.cgi?id=2051505
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=24f6008564183aa120d07c03d9289519c2fe02af
- https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html · mailing-list
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html · mailing-list
- https://www.debian.org/security/2022/dsa-5095 · vendor-advisory
- https://www.debian.org/security/2022/dsa-5096 · vendor-advisory
- http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html
- https://security.netapp.com/advisory/ntap-20220419-0002/
- http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html
- http://packetstormsecurity.com/files/176099/Docker-cgroups-Container-Escape.html
Sources: CVE.org, OSV.dev, FIRST EPSS. Missing ones did not answer or have no record yet.