Out-of-bounds write in Linux kernel - CVE-2026-80935
Published: September 13, 2026
Vulnerability identifier: #VU149461
CSH Severity: Low
CVSS v4: 2.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80935
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an attacker with physical access to cause memory corruption.
The vulnerability exists due to an out-of-bounds write in mt7996_mcu_get_eeprom() when processing an EEPROM response from a device. An attacker with physical access can report an arbitrary EEPROM address to cause memory corruption.
Affected software
Linux kernel
How to mitigate CVE-2026-80935
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3