CVE-2026-90372Published

wifi: mt76: mt7915: avoid nss underflow in mt7915_mcu_get_sta_nss

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-90372

Published

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: avoid nss underflow in mt7915_mcu_get_sta_nss If a peer's VHT/HE MCS map has no supported spatial stream (all fields 0x3), the loop exits with nss == 0 and the function returned (u8)-1 (255), which was then written into the firmware sta_rec_bf beamforming fields. Clamp the result to 0.

Source published: 17 Sep 2026 16:09:12 UTC
Source modified: 19 Oct 2026 09:02:31 UTC
Observed here: 23 Oct 2026 15:48:27 UTC
Source terms: CVE Program Terms of Use

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CVSS 3.1 · 7.1 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H