CVE-2026-98836

A flaw was found in the Linux kernel's ALSA (Advanced Linux Sound Architecture) Line 6 USB audio driver. The driver fails to validate the size of playback packets against the allocated memory buffer slice when handling asymmetrical audio configurations. An attacker capable of connecting a crafted USB device could exploit this vulnerability to cause an out-of-bounds memory write. This issue can lead to kernel memory corruption or a system crash, resulting in a Denial of Service (DoS).

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.