CVE-2021-47068

A flaw was found in the Linux kernel’s Near Field Communication NFC subsystem. The issue involves a use-after-free condition introduced by commits to fix reference count leaks. This vulnerability can be triggered if the same local address is assigned to two different sockets, leading to a potenti...

CVE-2021-47068

In the Linux kernel, the following vulnerability has been resolved: net/nfc: fix use-after-free llcpsockbind/connect Commits 8a4cd82d "nfc: fix refcount leak in llcpsockconnect" and c33b1cc62 "nfc: fix refcount leak in llcpsockbind" fixed a refcount leak bug in bind/connect but introduced a...

CVE-2021-47068

The CVE-2021-47068 entry concerns the Linux kernel NFC LLCP paths (llcp_sock_bind/llcp_sock_connect). Root cause: a refcount leak in bind/connect was fixed but introduced a use-after-free when the same local is bound to two sockets. The vulnerability is tied to the NFC LLCP implementation in the ...