Improper Validation of Array Index in Linux kernel - CVE-2026-80972
Published: September 12, 2026
Vulnerability identifier: #VU149420
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-2026-80972
CWE-ID: CWE-129
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform an out-of-bounds memory access.
The vulnerability exists due to improper validation of a card index in the ALSA aloop driver's loopback_probe function when manually binding a device through the sysfs interface. A local user can provide an invalid card index to perform an out-of-bounds memory access.
Affected software
Linux kernel
How to mitigate CVE-2026-80972
Install security update from vendor's repository.