Linux Kernel Vulnerability in mac80211 Affects Radio LED State Management

CVE-2026-98333

What is CVE-2026-98333?

A vulnerability exists in the Linux kernel related to the mac80211 subsystem. This issue arises when the first network interface is activated and the corresponding radio LED is turned on. However, if the activation process fails, the timer that controls this LED continues to run without being properly reset. This persistent timer can lead to memory management issues, as it may reference a memory object that has been freed, resulting in potential instability in the system.

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