CVE-2026-80966

A flaw was found in the ALSA portman2x4 driver of the Linux kernel. This vulnerability occurs because the driver does not properly validate the card index, specifically failing to check for negative ID values. A local attacker could exploit this by providing a negative ID value via sysfs, leading...

CVE-2026-80966

This Linux kernel vulnerability affects the ALSA portman2x4 audio driver. The driver fails to validate that the card index (devptr->id) is non-negative at probe time. A negative index—commonly supplied when the driver is bound via sysfs with a value such as "none"—can cause an out-of-bounds ac...