CVE-2023-54214

CVE-2023-54214: Linux kernel Bluetooth L2CAP fix for a use-after-free involving alloc_skb that could release and reacquire the chan lock, potentially causing the channel to disconnect. The vulnerability is addressed by the kernel patch, with advisories from SUSE (SUSE-SU-2026:0316/0317) noting th...

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...