Out-of-bounds read in Linux kernel - CVE-2026-31619
Published: April 25, 2026
Vulnerability identifier: #VU127772
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-31619
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to an out-of-bounds read in the efr_status_names[] string array lookup in the ALSA fireworks driver when processing a device-supplied EFW response status value. A local user can supply a crafted status value from a firewire device to cause a denial of service.
How to mitigate CVE-2026-31619
Install security update from vendor's repository.