7.8
High
Exploited
CVE-2022-0492 Linux Kernel Improper Authentication Vulnerability
Active exploitation observed
· CISA KEV catalogue
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.
Ransomware campaigns
Not observed so far
Weakness
CWE-862, CWE-287
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| kernel | Versions not published |
References
- bugzilla.redhat.com bugzilla.redhat.com
- git.kernel.org git.kernel.org
- [debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update lists.debian.org
- [debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update lists.debian.org
- DSA-5095 www.debian.org
- DSA-5096 www.debian.org
- packetstormsecurity.com packetstormsecurity.com
- security.netapp.com security.netapp.com
- packetstormsecurity.com packetstormsecurity.com
- packetstormsecurity.com packetstormsecurity.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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