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Linux Kernel Ralink MT7621 PCIe PHY Quirk Oops Vulnerability

Vulnerability

A vulnerability in the Linux kernel's handling of the Ralink MT7621 PCIe PHY driver can lead to a kernel oops. This issue arises when the 'soc_device_attribute' for the MT7621 SoC is improperly registered, causing a mismatch that the kernel cannot handle. The problem was introduced in a staging driver quirk test for the 'E2' revision and persists in kernel 5.11.

Impact

The vulnerability causes a kernel oops, which can lead to a system crash or instability.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
4.0
remediation
0.0
relevance
0.0
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.