CVE-2014-9728 Denial of service in n/a

Medium 4.9 Published Updated

Local attackers can crash the system via a crafted UDF filesystem image due to missing length validation in the Linux kernel.

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-2014-9728?

CVE-2014-9728 is a medium-severity denial of service vulnerability in Linux kernel, published on 31 Aug 2015. 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 UDF filesystem implementation in the Linux kernel before 3.18.2 does not validate certain lengths, which allows local users to cause a denial of service (buffer over-read and system crash) via a crafted filesystem image, related to fs/udf/inode.c and fs/udf/symlink.c.

Weakness: CWE-119

Which versions are affected by CVE-2014-9728?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2014-9728?

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-2014-9728 being exploited?

There is no known exploitation of CVE-2014-9728 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-9728, GHSA-3mmf-7v44-cphp, UBUNTU-CVE-2014-9728.

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