CVE

CVE-2016-4998

The IPT_SO_SET_REPLACE setsockopt implementation in the netfilter subsystem in the Linux kernel before 4.6 allows local users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from kernel heap memory by leveraging in-container root access to provide a crafted offset value that leads to crossing a ruleset blob boundary.

Severity

HIGH

CVSS

7.1

Published

Jul 03, 2016

Modified

Jun 17, 2026