SB20250619230 - NULL pointer dereference in Linux kernel usb cdns3 driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619230
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2022-50132)
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 website.
References
- 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