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Linux Kernel kernel performance subsystem Vulnerability Rated 8.8 CVSS

Last refreshed2026-10-15

Status: UPDATED  |  Advisory ID: CVE-2026-90381

Key Details

CVECVE-2026-90381
CVSS Score / Version
8.8 (High) / CVSS v3.1
Updated2026-10-15
CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Prose
attack vector is adjacent; attack complexity is low; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products
Linux Kernel
Exploitation prediction (EPSS)
0.34% probability of exploitation in the next 30 days (26% percentile) -- FIRST.org's EPSS model.

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
LinuxLinux Kernel
SubsystemsOT Supporting Infrastructure
SectorsAll Sectors

What to Know

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. (NVD)

What to Do

Monitor Linux's web page for any future patch releases.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-90381
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-90381

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