CVE-2014-9420 Denial of service in n/a

Medium 4.9 Published Updated

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.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-9420, GHSA-g96g-p7vc-32vc, UBUNTU-CVE-2014-9420.

Is CVE-2014-9420 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free