In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix potential use-after-free when clear keys Similar to commit c5d2b6fa26b5 ("Bluetooth: Fix use-after-free in hci_remove_ltk/hci_remove_irk"). We can not access k after kfree_rcu() call.
https://git.kernel.org/stable/c/e87da6a0ac6e631454e7da53a76aa9fe44aaa5dd
https://git.kernel.org/stable/c/da19f35868dfbecfff4f81166c054d2656cb1be4
https://git.kernel.org/stable/c/94617b736c25091b60e514e2e7aeafcbbee6b700
https://git.kernel.org/stable/c/942d8cefb022f384d5424f8b90c7878f3f93726f
https://git.kernel.org/stable/c/3673952cf0c6cf81b06c66a0b788abeeb02ff3ae
https://git.kernel.org/stable/c/35cc42f04bc49f0656f6840cb7451b3df6049649