CVE-2026-90371 Linux Kernel mt76 - Race Condition

Linux kernel contains a race condition in mt76 wifi driver caused by improper RXDMAD_C buffer recycling from RRO data queues' page pools, letting attackers cause denial of service, exploit requires triggering network traffic.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.38% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Race Condition
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
17 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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