CVE-2019-19227
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability51. percentile0.6%
Product
Linux Kernel
PublishedNov 22, 2019
First seenNov 22, 2019
How to fix
Update
- linux linux_kernel5.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.1 | 5.1 |
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