The vulnerabilities of the llcp_sock_connect() and llcp_sock_bind() functions in the NFC subsystem of Linux kernel allow attackers to cause service failures or disclose protected information.

The vulnerability of the llcpsockconnect and llcpsockbind functions in the NFC subsystem of Linux kernel is related to the use of memory after it is freed, resulting in the same object being assigned to two different sockets. Exploiting this vulnerability can allow an attacker to cause a service...