CVE-2026-80934

CVE-2026-80934 affects the Linux kernel WiFi driver mt76 mt7996 (and mt7992). The root cause is a TX DMA mapping leak on AddBA request action frames: these frames use a HW MAC-TXP layout, but the TX-free path incorrectly decodes them as FW-TXP, causing the unmap loop to run zero times and the DMA...

CVE-2026-80934: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: fix TX DMA mapping leak for AddBA req frames mt7996/mt7992 hand the firmware a HW MAC-TXP for AddBA req action frames MTTXD7MACTXD, set in mt7996macwritetxwi80211, but are otherwise FW-TXP devices. On tx free...

PT-2026-90064

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A TX DMA mapping leak exists in the mt76 driver for mt7996/mt7992 devices during the handling of AddBA request action frames. The issue occurs because the mt76 connac txp skb unmap...