CVE-2016-7039 Denial of service in n/a
Remote attackers can cause a denial of service via crafted packets triggering the GRO path in the Linux kernel IP stack.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-7039?
CVE-2016-7039 is a high-severity denial of service vulnerability in Linux kernel, published on 16 Oct 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The IP stack in the Linux kernel through 4.8.2 allows remote attackers to cause a denial of service (stack consumption and panic) or possibly have unspecified other impact by triggering use of the GRO path for large crafted packets, as demonstrated by packets that contain only VLAN headers, a related issue to CVE-2016-8666.
Weakness: CWE-399
Which versions are affected by CVE-2016-7039?
It affects 3 products.
Products include Linux kernel, Oracle Linux, Oracle Vm Server.
How do I fix CVE-2016-7039?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-7039 being exploited?
There is no known exploitation of CVE-2016-7039 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2016-7039, GHSA-3rm9-rm94-6p3r, UBUNTU-CVE-2016-7039.