High severity7.8NVD Advisory· Published May 28, 2026· Updated Jun 11, 2026
CVE-2026-46180
CVE-2026-46180
Description
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().
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Affected products
5Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/658d2e46c2e9a8eb9b80c5e803ce3c89885b3366nvdPatch
- git.kernel.org/stable/c/908b92231e1ded53e43fcfad5e0704d83e1b803cnvdPatch
- git.kernel.org/stable/c/c623b63580880cc742255eaed3d79804c1b91143nvdPatch
- git.kernel.org/stable/c/d16827cb1d3936f7627d0da6044483f743ebde03nvdPatch
- git.kernel.org/stable/c/ed4168d1a50fef5be8eca947fbbf05a28507d265nvdPatch
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