PT-2026-90239 · Linux · Linux
CVE-2026-89523
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Publicado
2026-09-11
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Atualizado
2026-09-11
Nenhuma
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In the Linux kernel, the following vulnerability has been resolved:
wifi: mt76: mt7925: cancel pending mlo pm work
If the device is reset, suspended or unregistered within that window,
the pending work can still run and access vif/bss data that may already
be freed, or send MCU commands while the firmware is not available.
Add cancel delayed work sync(&dev->mlo pm work) in all relevant teardown
and suspend paths:
- mt7925 mac reset work() (chip reset recovery)
- mt7925e unregister device() (PCIe unbind)
- mt7925 pci suspend() (PCIe bus suspend)
- mt7925 suspend() (mac80211 suspend)
- mt7925u suspend() (USB bus / runtime suspend)
This ensures the work is stopped before the device state becomes
invalid.
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