CVE-2016-4486 Information disclosure in n/a
Local attackers can read sensitive kernel stack memory via Netlink messages due to uninitialized data structures in the Linux kernel.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-4486?
CVE-2016-4486 is a low-severity vulnerability in Canonical Ubuntu Linux, published on 23 May 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-200
Which versions are affected by CVE-2016-4486?
It affects 10 products.
Products include Canonical Ubuntu Linux, Linux kernel, Novell Suse Linux Enterprise Debuginfo, Novell Suse Linux Enterprise Desktop, Novell Suse Linux Enterprise Live Patching, Novell Suse Linux Enterprise Module for Public Cloud and 4 more.
How do I fix CVE-2016-4486?
Upgrade to a fixed version.
Is CVE-2016-4486 being exploited?
There is no known exploitation of CVE-2016-4486 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2016-4486, GHSA-w757-gq6j-hrx5, UBUNTU-CVE-2016-4486.