CVE-2014-6417 Denial of service in n/a
Remote attackers can cause a system crash in the Linux kernel via a long unencrypted Ceph auth ticket due to improper handling of memory allocation failures.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-6417?
CVE-2014-6417 is a high-severity denial of service vulnerability in Linux kernel, published on 28 Sep 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
net/ceph/auth_x.c in Ceph, as used in the Linux kernel before 3.16.3, does not properly consider the possibility of kmalloc failure, which allows remote attackers to cause a denial of service (system crash) or possibly have unspecified other impact via a long unencrypted auth ticket.
Weakness: CWE-399
Which versions are affected by CVE-2014-6417?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2014-6417?
Upgrade to a fixed version.
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-2014-6417 being exploited?
There is no known exploitation of CVE-2014-6417 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2014-6417, GHSA-34c5-v528-q6jq, UBUNTU-CVE-2014-6417.