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Linux Kernel RTW89 Wireless Driver Zero Beacon Interval Vulnerability

Vulnerability

A vulnerability in the Linux kernel's Realtek RTW89 wireless driver could lead to a division by zero error. During fuzz testing, it was found that the beacon interval could be zero, potentially causing instability in beacon tracking. The issue has been addressed by setting a default beacon interval of 100 time units if the original interval is zero.

Impact

The vulnerability could cause a division by zero error, leading to a crash or undefined behavior in the wireless driver.

Added: May 6, 2026, 12:41 PM
Updated: May 6, 2026, 12:41 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
5.3
remediation
7.7
relevance
7.6
threat
3.2
urgency
2.9
incentive
0.0

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