CVE-2022-49979

In the Linux kernel, the following vulnerability has been resolved: net: fix refcount bug in skpsockget 2 Syzkaller reports refcount bug as follows: ------------ cut here ------------ refcountt: saturated; leaking memory. WARNING: CPU: 1 PID: 3605 at lib/refcount.c:19...

CVE-2022-49979

CVE-2022-49979 concerns a Linux kernel refcount bug in sk_psock_get triggered during an SMC fallback in the connect path, due to a mismatch in the sk_user_data field used by both smc and psock. The root cause is the shared use of sk_user_data by two subsystems; the patch adds a new bit (SK_USER_D...