CVE-2026-23031
kernel: Linux kernel: Memory leak in gs_usb module can lead to denial of service via improper USB Request Block handling.
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 31, 2026
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel's gs_usb module. A local user can exploit this memory leak vulnerability due to improper handling of USB Request Blocks (URBs). The USB framework unanchors the URB before its completion, preventing its release and leading to resource exhaustion. This can result in a Denial of Service (DoS) condition for the system.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime