# CVE-2026-90381: linux: In the Linux kernel, the following vulnerability has been resolved:  wifi: mt76: fix handling channel context with di...

CVE-2026-90381 is fixed in linux on 1 platform by DEBIAN-CVE-2026-90381 (version 7.2.6-1), released September 23, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-90381
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0038
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 17, 2026

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 14 | 7.2.6-1 | [DEBIAN-CVE-2026-90381](https://patchblox.com/security/data/fix/linux/debian-cve-2026-90381.md) | Sep 23, 2026 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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