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

CVE-2022-0492 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 5.2%.

Is there a public PoC exploit available for CVE-2022-0492?

Yes, a public proof-of-concept exploit is available for CVE-2022-0492. Prioritise patching immediately. EPSS: 5.2%.

Is there a patch available for CVE-2022-0492?

Yes, a patch is available for CVE-2022-0492. Update the affected software to the latest version immediately.

Linux CVE-2022-0492

HIGH

Improper Authentication (CWE-287)

2022-03-03 secalert@redhat.com

Linux Authentication Bypass

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Added to CISA KEV

Jun 02, 2026 - 18:01 CISA

CVE Published

Mar 03, 2022 - 19:15 cve.org

HIGH 7.8

DescriptionCVE.org

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.

AnalysisAI

A vulnerability was found in the Linux kernel’s cgroup_release_agent_write in the kernel/cgroup/cgroup-v1.c function. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Actively exploited in the wild (cisa kev) and public exploit code available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. 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 include: Linux Linux Kernel, Debian Debian Linux, Redhat Codeready Linux Builder, Redhat Codeready Linux Builder For Power Little Endian, Redhat Virtualization Host.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.