Out-of-bounds read in Linux kernel - CVE-2026-80745

 

Out-of-bounds read in Linux kernel - CVE-2026-80745

Published: September 4, 2026


Vulnerability identifier: #VU146919
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80745
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to access memory out of bounds.

The vulnerability exists due to an out-of-bounds read in the VPOSNEG_table[] voltage selector table when selecting a VPOS/VNEG voltage selector above 0x28. A local user can select a VPOS/VNEG voltage selector above 0x28 to access memory out of bounds.


Affected software

Linux kernel

How to mitigate CVE-2026-80745

Install security update from vendor's repository.


External References

Related Security Bulletins