wifi: mt76: mt7925: cancel mlo_pm_work on stop

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-80936
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-11 20:18:57 UTC
Updated2026-09-11 20:18:57 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: cancel mlo_pm_work on stop mt7925 queues mlo_pm_work with a 5 second delay during multi-link power-save setup and never cancels it on the stop path. If the device is torn down inside that window, the work outlives the teardown and its timer fires afterwards, trying to queue onto the workqueue that is already gone: workqueue: cannot queue mt7925_mlo_pm_work [mt7925_common] on wq phy0 WARNING: kernel/workqueue.c:2283 at __queue_work+0x59/0xa0, CPU#1: swapper/1/0 call_timer_fn+0x2a/0x140 __run_timers+0x203/0x330 run_timer_softirq+0x86/0xf0 mt7921 already has its own stop callback, so add one for mt7925 that cancels the work before calling mt792x_stop(). mt7925_ops backs both the PCIe and USB drivers, so this covers both.

Risk And Classification

EPSS: 0.001660000 probability, percentile 0.061390000 (date 2026-09-12)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 276a568832577c81ec90b62dc506bbdc3781ca46 304470333b7f525b23699ea7a7aed3b40ca37ca9 git Not specified
CNA Linux Linux affected 276a568832577c81ec90b62dc506bbdc3781ca46 9e20da749ad229a1aa649ece528721b9652f15e1 git Not specified
CNA Linux Linux affected 276a568832577c81ec90b62dc506bbdc3781ca46 81faf578320df2dfc682a96baa6e85851dd68b6f git Not specified
CNA Linux Linux affected 74eb79258bfd5f2ffe6d26a09c898992b2afa1ce git Not specified
CNA Linux Linux affected 6.14.3 6.15 semver Not specified
CNA Linux Linux affected 6.15 Not specified
CNA Linux Linux unaffected 6.15 semver Not specified
CNA Linux Linux unaffected 6.18.50 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.4 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/304470333b7f525b23699ea7a7aed3b40ca37ca9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/81faf578320df2dfc682a96baa6e85851dd68b6f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9e20da749ad229a1aa649ece528721b9652f15e1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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