CVE-2026-90381

wifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx()

HIGH
8.8
CVSS Score
Published: September 17, 2026 at 04:09 PM UTC
Updated: October 19, 2026 at 09:19 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH8.8
Exploit prediction
EPSS 0.4%

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx() When performing channel switches on different radios within a short timeframe, channel contexts with different bands can be carried for each struct ieee80211_vif_chanctx_switch. Rework mt76_switch_vif_chanctx() to properly handle this scenario.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.1482334623af0cd2154633cdb007719a321048fafc
Vendor states this is fixed in 063169a2755abdcbe7698d98360336abb6bef414 (fixed)
Vendor states this is fixed in 70869cc429fffc77de51e7777c0ecb651e8fca07 (fixed)
Vendor states this is fixed in 6.14 (unaffected)
Vendor states this is fixed in 6.18.57 (unaffected)
Vendor states this is fixed in 7.2.6 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

CVSS

8.8HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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