CVE-2019-19227

In the AppleTalk subsystem in the Linux kernel before 5.1, there is a potential NULL pointer dereference because registersnapclient may return NULL. This will lead to denial of service in net/appletalk/aarp.c and net/appletalk/ddp.c, as demonstrated by unregistersnapclient, aka CID-9804501fa122...

Null pointer dereference

In the AppleTalk subsystem in the Linux kernel before 5.1, there is a potential NULL pointer dereference because registersnapclient may return NULL. This will lead to denial of service in net/appletalk/aarp.c and net/appletalk/ddp.c, as demonstrated by unregistersnapclient, aka CID-9804501fa122...