high7.8
CVE-2026-46180
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task Watchdog tas…
Impact
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().
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 3.3 before 6.6.140 from 6.7 before 6.12.88 from 6.13 before 6.18.30 from 6.19 before 7.0.7 Version 7.1 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/658d2e46c2e9a8eb9b80c5e803ce3c89885b3366
- https://git.kernel.org/stable/c/908b92231e1ded53e43fcfad5e0704d83e1b803c
- https://git.kernel.org/stable/c/a21f735fb1017ef89c6f9dbf4d799513b4e7bd5a
- https://git.kernel.org/stable/c/c623b63580880cc742255eaed3d79804c1b91143
- https://git.kernel.org/stable/c/d16827cb1d3936f7627d0da6044483f743ebde03
- https://git.kernel.org/stable/c/d616bb10de79e5c2bd8a24230a1128aeaf715615
- https://git.kernel.org/stable/c/df2e90d6a9955510f24f1dada78cfc439fd9fa88
- https://git.kernel.org/stable/c/ed4168d1a50fef5be8eca947fbbf05a28507d265
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html