In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_tg_listen_mdaa() ‘params’ is allocated in digital_tg_listen_mdaa(), but not free when digital_send_cmd() failed, which will cause memory leak. Fix it by freeing ‘params’ if digital_send_cmd() return failed.
git.kernel.org/linus/58e7dcc9ca29c14e44267a4d0ea61e3229124907
git.kernel.org/stable/c/3f2960b39f22e26cf8addae93c3f5884d1c183c9
git.kernel.org/stable/c/429054ec51e648d241a7e0b465cf44f6633334c5
git.kernel.org/stable/c/564249219e5b5673a8416b5181875d828c3f1e8c
git.kernel.org/stable/c/58e7dcc9ca29c14e44267a4d0ea61e3229124907
git.kernel.org/stable/c/7ab488d7228a9dceb2456867f1f0919decf6efed
git.kernel.org/stable/c/9881b0c860649f27ef2565deef011e516390f416
git.kernel.org/stable/c/a67d47e32c91e2b10402cb8c081774cbf08edb2e
git.kernel.org/stable/c/b7b023e6ff567e991c31cd425b0e1d16779c938b
ubuntu.com/security/CVE-2021-47443
www.cve.org/CVERecord?id=CVE-2021-47443