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CVE-2016-4486

LowPublished

The rtnl_fill_link_ifmap function in net/core/rtnetlink.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows local...

Published: May 23, 2016
Updated: Aug 6, 2024
Assigning CNA: mitre
Evidence observed: Dec 19, 2018

Primary CVSS

3.3/ 10Low

nvd · CVSS 3.0

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS probability estimate

1.7%

Low · next 30 days

Percentile: 76.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The rtnl_fill_link_ifmap function in net/core/rtnetlink.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.

Sources

Linux Kernel 4.4 - 'rtnetlink' Stack Memory DisclosureExploit
Jinbum Park · linux · Dec 19, 2018

Responsible use

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