PT-2026-44303 · Linux · Linux

Published 2026-05-28 · Updated 2026-05-28 · CVE-2026-46180

Mitre

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().

Related Identifiers

CVE-2026-46180

Affected Products

Linux

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-46180 · Security Note
• https://git.kernel.org/stable/c/908b92231e1ded53e43fcfad5e0704d83e1b803c · Note
• https://git.kernel.org/stable/c/ed4168d1a50fef5be8eca947fbbf05a28507d265 · Note
• https://git.kernel.org/stable/c/c623b63580880cc742255eaed3d79804c1b91143 · Note
• https://git.kernel.org/stable/c/658d2e46c2e9a8eb9b80c5e803ce3c89885b3366 · Note
• https://git.kernel.org/stable/c/d16827cb1d3936f7627d0da6044483f743ebde03 · Note