CVE-2014-9420 Denial of service in n/a
A local attacker can cause a system crash or hang by mounting a crafted ISO9660 image with excessive Rock Ridge continuation entries.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2014-9420?
CVE-2014-9420 is a medium-severity denial of service vulnerability in Linux kernel, published on 26 Dec 2014. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
The rock_continue function in fs/isofs/rock.c in the Linux kernel through 3.18.1 does not restrict the number of Rock Ridge continuation entries, which allows local users to cause a denial of service (infinite loop, and system crash or hang) via a crafted iso9660 image.
Weakness: CWE-399
Which versions are affected by CVE-2014-9420?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2014-9420?
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-2014-9420 being exploited?
There is no known exploitation of CVE-2014-9420 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2014-9420, GHSA-g96g-p7vc-32vc, UBUNTU-CVE-2014-9420.