Linux Kernel brcmfmac Watchdog UAF on Stop
CVE-2026-46180 Published on May 28, 2026

wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task
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().

NVD


Products Associated with CVE-2026-46180

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Affected Versions

Linux: Linux: