Out-of-bounds read in Linux kernel - CVE-2026-93179
Published: September 18, 2026
Vulnerability identifier: #VU150824
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93179
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service or trigger an out-of-bounds read.
The vulnerability exists due to improper validation of voltage-object sizes in the AMD PowerPlay VoltageObjectInfo table lookup routines when processing a malformed VBIOS VoltageObjectInfo table. A local user can cause the driver to process a malformed VoltageObjectInfo table to cause a denial of service or trigger an out-of-bounds read.
Affected software
Linux kernel
How to mitigate CVE-2026-93179
Install security update from vendor's repository.