CVE-2016-3134 Memory corruption in n/a
Local attackers can exploit a netfilter offset validation flaw to cause heap memory corruption, leading to privilege escalation or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-3134?
CVE-2016-3134 is a high-severity memory corruption vulnerability in Linux kernel, published on 27 Apr 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The netfilter subsystem in the Linux kernel through 4.5.2 does not validate certain offset fields, which allows local users to gain privileges or cause a denial of service (heap memory corruption) via an IPT_SO_SET_REPLACE setsockopt call.
Weakness: CWE-119
Which versions are affected by CVE-2016-3134?
It affects 9 products.
Products include 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, Novell Suse Linux Enterprise Real Time Extension and 3 more.
How do I fix CVE-2016-3134?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2016-3134 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-3134 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2016-3134, GHSA-ggq9-w3hj-q2jf, UBUNTU-CVE-2016-3134.