CVE-2016-9919 Denial of service in n/a
Remote attackers can cause a system panic and denial of service by sending fragmented IPv6 packets due to a missing check in the Linux kernel.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-9919?
CVE-2016-9919 is a high-severity denial of service vulnerability in Linux kernel, published on 8 Dec 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The icmp6_send function in net/ipv6/icmp.c in the Linux kernel through 4.8.12 omits a certain check of the dst data structure, which allows remote attackers to cause a denial of service (panic) via a fragmented IPv6 packet.
Weakness: CWE-20
Which versions are affected by CVE-2016-9919?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2016-9919?
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-2016-9919 being exploited?
There is no known exploitation of CVE-2016-9919 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2016-9919, GHSA-952c-5r47-vpqf, UBUNTU-CVE-2016-9919.