CVE-2026-64478
kernel: ALSA: usb-audio: avoid kobject path lookup in DualSense match
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 25, 2026
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's ALSA USB audio driver, specifically affecting DualSense controllers. A local attacker with physical access to a DualSense controller could exploit this by rapidly disconnecting and reconnecting the device due to a weak physical connection. This action can cause the kernel to attempt to access an invalid memory location, leading to a system crash and a denial of service.
CVSS score applicability
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.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 6.6CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-476 · NULL Pointer Dereference