VULNERABILITY INTELLIGENCE
CVE-2016-4998
CVSS score7.1 HIGH
EPSS probability1.88%
CISA KEVNot currently listed
Published2016-07-03
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Description
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.
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer