CVE-2026-80935 Linux Kernel mt76 - Out-of-Bounds Write

Linux kernel mt76 mt7996 contains an out-of-bounds write vulnerability caused by unbounded device EEPROM address in mt7996_mcu_get_eeprom(), letting malicious devices write beyond eeprom.data, exploit requires malicious or malfunctioning device.

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

Details

Type
Out-of-Bounds Write
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
11 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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