CVE-2017-1000407 Denial of service in n/a
Attackers can trigger a kernel panic and cause denial of service by flooding the diagnostic port 0x80 in the Linux Kernel.
- 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-2017-1000407?
CVE-2017-1000407 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 11 Dec 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Linux Kernel 2.6.32 and later are affected by a denial of service, by flooding the diagnostic port 0x80 an exception can be triggered leading to a kernel panic.
Weakness: CWE-754
Which versions are affected by CVE-2017-1000407?
It affects 10 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus and 4 more.
How do I fix CVE-2017-1000407?
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-2017-1000407 being exploited?
There is no known exploitation of CVE-2017-1000407 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2017-1000407, GHSA-jh8r-93cx-crmc, UBUNTU-CVE-2017-1000407.