CVE-2026-46180
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk3th percentile - higher than 3% of all known CVEs
Summary
A vulnerability in the Linux kernel related to a potential use-after-free issue when stopping the watchdog task has been resolved.
Risk Assessment
Exploitation of this vulnerability may lead to unpredictable system behavior, posing risks to the stability and security of applications running on this kernel.
Recommendation
It is recommended to update the Linux kernel to the latest version to eliminate this vulnerability and ensure system security.
Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task Watchdog task might end between send_sig() and kthread_stop() calls, what results in the use-after-free issue. Fix this by increasing watchdog task reference count before calling send_sig() and dropping it by switching to kthread_stop_put().