CVE-2026-46180
Description
AI Translation Available
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().
https://git.kernel.org/stable/c/658d2e46c2e9a8eb9b80c5e803ce3c89885b3366
https://git.kernel.org/stable/c/908b92231e1ded53e43fcfad5e0704d83e1b803c
https://git.kernel.org/stable/c/c623b63580880cc742255eaed3d79804c1b91143
https://git.kernel.org/stable/c/d16827cb1d3936f7627d0da6044483f743ebde03
https://git.kernel.org/stable/c/ed4168d1a50fef5be8eca947fbbf05a28507d265