Out-of-bounds write in Linux kernel - CVE-2026-80937

 

Out-of-bounds write in Linux kernel - CVE-2026-80937

Published: September 13, 2026


Vulnerability identifier: #VU149463
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:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80937
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 mt7915_mcu_get_eeprom() when processing a device-controlled MCU EEPROM response. An attacker with physical access can provide a response containing an arbitrary address to cause memory corruption.


Affected software

Linux kernel

How to mitigate CVE-2026-80937

Install security update from vendor's repository.


External References

Related Security Bulletins