Out-of-bounds read in Linux kernel - CVE-2026-97538
Published: September 28, 2026
Vulnerability identifier: #VU152661
CSH Severity: Low
CVSS v4: 2.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97538
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an attacker with physical access to disclose uninitialized bytes through sensor values exposed via sysfs.
The vulnerability exists due to an out-of-bounds read in the rog_ryujin_raw_event() function of the ASUS ROG Ryujin hwmon driver when processing a short HID report. An attacker with physical access can provide a short HID report to disclose uninitialized bytes through sensor values exposed via sysfs.
Affected software
Linux kernel
How to mitigate CVE-2026-97538
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3