CVE-2026-90381 PUBLISHED

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

Assigner: Linux
Reserved: 11.09.2026 Published: 17.09.2026 Updated: 17.09.2026

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.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 82334623af0cd2154633cdb007719a321048fafc to 063169a2755abdcbe7698d98360336abb6bef414 (excl.)
  • affected from 82334623af0cd2154633cdb007719a321048fafc to 70869cc429fffc77de51e7777c0ecb651e8fca07 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 6.14 is affected
  • unaffected from 0 to 6.14 (excl.)
  • unaffected from 7.2.6 to 7.2.* (incl.)
  • unaffected from 7.3-rc1 to * (incl.)

References