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Linux Kernel Division by Zero Vulnerability in AMD DRM PM SMU11

Vulnerability

A division by zero vulnerability has been identified in the Linux kernel's AMD DRM power management component, specifically in SMU11. This issue arises because the user can set any speed value, and if the value exceeds UINT_MAX divided by 8, it can lead to a division by zero error. The vulnerability was discovered by the Linux Verification Center using SVACE.

Impact

Exploitation of this vulnerability can lead to a division by zero error, which may cause a system crash or other unintended behavior.

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.