NetSight
IP …
medium5.5

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.

Impact

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.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
before 5.1

Weakness classification

CWE-476

References