CVE-2023-54214

CVE-2023-54214 affects the Linux kernel Bluetooth L2CAP implementation. The issue arises from a buffer allocation path (alloc_skb) that may release a channel lock and reacquire it later, creating a window where the channel can be disconnected, leading to a potential user-after-free. The vulnerabi...

The vulnerability of the l2cap_sock_release function (net/bluetooth/l2cap_sock.c) in the Linux operating system’s kernel allows a attacker to cause a service failure or exert other adverse effects.

The vulnerability of the l2capsockrelease function net/bluetooth/l2capsock.c in Linux operating system kernels is related to the use of memory after it is released. Exploiting this vulnerability can allow an attacker to cause service failures or have other adverse effects...