CVE-2019-19227

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

Date published : 2019-11-22

https://seclists.org/bugtraq/2020/Jan/10

https://security.netapp.com/advisory/ntap-20200103-0001/