Linux Kernel Improper Authentication Vulnerability

Linux Kernel

Linux Kernel contains an improper authentication vulnerability which could allow for privilege escalation via the cgroups v1 release_agent feature. Added to CISA KEV on 2026-06-02 (federal deadline 2026-06-05).

First seen: 2 Jun 2026
Last update: 2 Jun 2026, 12:00 UTC
Identifiers: CVE-2022-0492
Source: CISA KEV
On the menu as: Linux kernel

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## Linux Kernel Improper Authentication Vulnerability
Severity: high, exploited in the wild. Patch status: patched.
Affected: Linux Kernel
Ids: CVE-2022-0492

Linux Kernel contains an improper authentication vulnerability which could allow for privilege escalation via the cgroups v1 release_agent feature. Added to CISA KEV on 2026-06-02 (federal deadline 2026-06-05).

## Steps
1. This touches infrastructure (linux). Look in terraform, ansible, cloud-init, Dockerfiles and docs for the product and version we run. If it isn't in the repo, say so and list what a human should check on the box.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2022-0492") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://nvd.nist.gov/vuln/detail/CVE-2022-0492 https://www.kernel.org/
https://pwned.coffee/i/linux-kernel-improper-authentication-vulnerability-cve-2022-0492

Sources

Totalone hot coffee