NetSight
IP …
high7.0Public exploit code

CVE-2016-4558

The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possi…

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted application on (1) a system with more than 32 Gb of memory, related to the program reference count or (2) a 1 Tb system, related to the map reference count.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 4.4 before 4.4.11
from 4.5 before 4.5.5
CanonicalUbuntu Linux
Versions 14.04, 16.04

References