CVE-2026-31755
kernel: usb: cdns3: gadget: fix NULL pointer dereference in ep_queue
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 1, 2026
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel's cdns3 USB gadget driver. When a gadget endpoint is disabled or not yet configured, a NULL pointer dereference can occur in the ep_queue function. This can lead to a kernel crash, resulting in a denial of service (DoS) on the affected 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-476 · NULL Pointer Dereference