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Linux Kernel Privilege Escalation Vulnerability in CDNS3 USB Gadget Driver

Vulnerability

A vulnerability in the Linux kernel's CDNS3 USB gadget driver could lead to a kernel panic. The issue arises because the 'priv_ep' assignment was placed incorrectly in the 'cdns3_gadget_ep_dequeue()' and 'cdns3_gadget_ep_enable()' functions. If the 'ep' parameter is NULL, the resulting pointer is invalid, and dereferencing it with 'priv_ep->cdns3_dev' may cause a system crash.

Impact

Exploitation of this vulnerability can lead to a kernel panic, causing a denial of service by crashing the system.

Added: Jun 18, 2025, 4:13 PM
Updated: Jun 18, 2025, 4:13 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
4.0
remediation
0.0
relevance
0.2
threat
3.2
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.