#VU111503 NULL pointer dereference in Linux kernel - CVE-2022-50132
Published: June 19, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111503
Vulnerability risk: Low
CVSSv4.0: 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-2022-50132
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the cdns3_gadget_ep_enable() and cdns3_gadget_ep_dequeue() functions in drivers/usb/cdns3/gadget.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/7af83bb516d7aa4f96835288e4aeda21d7aa2a17
- https://git.kernel.org/stable/c/bfa0201468587072454dba7933e4a4a7be44467a
- https://git.kernel.org/stable/c/c3ffc9c4ca44bfe9562166793d133e1fb0630ea6
- https://git.kernel.org/stable/c/d342203df9f2d0851b4acd9ed577d73d10eade77
- https://git.kernel.org/stable/c/eb82c0382285ee17a9966aaab27b8becb08eb1ac
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2