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CVE-2022-0492Linux Kernel Improper Authentication Vulnerability

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.

7.8 HIGHEPSS 5.52%⚡ Known Exploited (CISA KEV)NVD: Analyzed

OverviewAffected ProductsReferences
NVD CVE.org

Overview

Severity

ScoreSeverityVersionVector String
7.8HIGH3.1NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.9MEDIUM2.0NVDAV:L/AC:M/Au:N/C:C/I:C/A:C

CISA required action

⚡ Known exploited · remediation due Jun 5, 2026

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Details

CVE ID
CVE-2022-0492
Status
Analyzed
Assigner (CNA)
redhat
Published
Mar 3, 2022
Last modified
2026-06-17 04:20 UTC
Weaknesses

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 08:56 UTC.