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Linux Kernel CPSW Driver Access Violation Vulnerability Due to Interrupt Coalescing Handling

Vulnerability

A vulnerability in the Linux kernel's CPSW Ethernet driver has been addressed. The issue arose when interrupt coalescing was configured via ethtool, leading to a kernel panic. The function 'cpsw_ethtool_begin' incorrectly managed the device's power state, causing an access violation later in the driver. This was resolved by properly handling the device's power management.

Impact

The vulnerability could lead to a kernel panic and an access violation in the CPSW driver, potentially causing instability or crashes.

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
5.3
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.