In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname TCP_Server_Info::hostname may be updated once or many times during reconnect, so protect its access outside reconnect path as well and then prevent any potential use-after-free bugs.
https://git.kernel.org/stable/c/c511954bf142fe1995aec3c739a9f1a76990283a
https://git.kernel.org/stable/c/90c49fce1c43e1cc152695e20363ff5087897c09
https://git.kernel.org/stable/c/64d62ac6d6514cba1305bd08e271ec1843bdd612
https://git.kernel.org/stable/c/0b08c4c499200be67d54c439d56e5ea866869945