Fiche vulnérabilité
CVE-2026-46180 : faille élevée linux linux kernel (CVSS 7.8)
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().
En bref
- Sévérité
- Élevée (CVSS 7.8)
- Vecteur CVSS
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploitation active
- Non signalée par la CISA
- Publication
- 28 mai 2026
- Dernière mise à jour
- 19 juin 2026
Produits concernés
- linux linux kernel
Références
- Fiche CVE-2026-46180 sur le NVD (NIST)
- git.kernel.org/stable/c/658d2e46c2e9a8eb9b80c5e803ce3c89885b3…
- git.kernel.org/stable/c/908b92231e1ded53e43fcfad5e0704d83e1b8…
- git.kernel.org/stable/c/a21f735fb1017ef89c6f9dbf4d799513b4e7b…
- git.kernel.org/stable/c/c623b63580880cc742255eaed3d79804c1b91…
- git.kernel.org/stable/c/d16827cb1d3936f7627d0da6044483f743ebd…
- git.kernel.org/stable/c/d616bb10de79e5c2bd8a24230a1128aeaf715…
- git.kernel.org/stable/c/df2e90d6a9955510f24f1dada78cfc439fd9f…
- git.kernel.org/stable/c/ed4168d1a50fef5be8eca947fbbf05a28507d…