Improper Initialization in Linux kernel - CVE-2026-80815
Published: September 5, 2026
Vulnerability identifier: #VU147097
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80815
CWE-ID: CWE-665
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an attacker with physical access to cause a denial of service.
The vulnerability exists due to improper initialization in ALSA scarlett2 notification endpoint handling when initializing a Scarlett2 device with a UAC2 status interrupt endpoint. An attacker with physical access can initialize the device to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-80815
Install security update from vendor's repository.
External References
- https://git.kernel.org/stable/c/013448eb7b0d0b91d6168685dab10e9b41baa825
- https://git.kernel.org/stable/c/04df0232a6976845cd9c9e83b6c26215759be667
- https://git.kernel.org/stable/c/4305e4b52acc0ca67dcfdf8f73dd943dab508ae8
- https://git.kernel.org/stable/c/cd17d6ff7b7d2b1dd9bcc80ae7b4a83773f918c6
- https://git.kernel.org/stable/c/ecd2f83a4ddc078901e7104144cb6c5e5db3b7cf