UBUNTU-CVE-2022-49664

In the Linux kernel, the following vulnerability has been resolved: tipc: move bc link creation back to tipcnodecreate Shuang Li reported a NULL pointer dereference crash: BUG: kernel NULL pointer dereference, address: 0000000000000068 RIP: 0010:tipclinkisup+0x5/0x10 tipc Call Trace:...

CVE-2022-49664 tipc: move bc link creation back to tipc_node_create

In the Linux kernel, the following vulnerability has been resolved: tipc: move bc link creation back to tipcnodecreate Shuang Li reported a NULL pointer dereference crash: BUG: kernel NULL pointer dereference, address: 0000000000000068 RIP: 0010:tipclinkisup+0x5/0x10 tipc Call Trace:...

CVE-2022-49664

CVE-2022-49664 affects the Linux kernel TIPC subsystem. The issue is a NULL pointer dereference in tipc_link_is_up caused by a BC link not yet created when a BC packet arrives during node creation. The patch fixes this by moving BC link creation to occur before inserting the new node into the has...