wifi: mt76: cancel reset and rc work on device unregister

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Summary

CVECVE-2026-90365
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-17 17:17:35 UTC
Updated2026-09-17 17:17:35 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: mt76: cancel reset and rc work on device unregister Both drivers cancelled dump_work on unregister but left reset_work and rc_work to be flushed only by destroy_workqueue() in mt76_free_device(), which runs after the hw is unregistered and the hardware stopped. A reset_work that fires in that window calls ieee80211_restart_hw() and re-arms mac_work on an unregistered hw, and rc_work touches station state being torn down. Cancel both up front, alongside dump_work.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected e57b7901469fc0b021930b83a8094baaf3d81b09 c4dc85481d38951ca7f8bc104e711936306cc664 git Not specified
CNA Linux Linux affected e57b7901469fc0b021930b83a8094baaf3d81b09 e995d3dccc9d980af13a60ad37409ed1561f9eeb git Not specified
CNA Linux Linux affected 5.8 Not specified
CNA Linux Linux unaffected 5.8 semver Not specified
CNA Linux Linux unaffected 7.2.6 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/e995d3dccc9d980af13a60ad37409ed1561f9eeb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/c4dc85481d38951ca7f8bc104e711936306cc664 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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