CVE-2022-50555

CVE-2022-50555 : Linux kernel Tipc topsrv accept crashes due to a null pointer dereference when srv->listener is null (set by tipc_topsrv_stop). Root cause: concurrent use of a potentially null listener inside tipc_topsrv_accept; protection via srv->idr_lock, and a missing check allowed der...

kernel: tipc: fix a null-ptr-deref in tipc_topsrv_accept

In the Linux kernel, the following vulnerability has been resolved: tipc: fix a null-ptr-deref in tipctopsrvaccept syzbot found a crash in tipctopsrvaccept: KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f Workqueue: tipcrcv tipctopsrvaccept RIP: 0010:kernelaccept+0x22d/0x350...