CVE-2014-5471 Denial of service in n/a

Medium 4.0 Published Updated

Local attackers can crash the system via a crafted ISO image exploiting uncontrolled recursion in the Linux kernel's ISO9660 parser.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2014-5471?

CVE-2014-5471 is a medium-severity denial of service vulnerability in Linux kernel, published on 1 Sep 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

Stack consumption vulnerability in the parse_rock_ridge_inode_internal function in fs/isofs/rock.c in the Linux kernel through 3.16.1 allows local users to cause a denial of service (uncontrolled recursion, and system crash or reboot) via a crafted iso9660 image with a CL entry referring to a directory entry that has a CL entry.

Weakness: CWE-399

Which versions are affected by CVE-2014-5471?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2014-5471?

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-2014-5471 being exploited?

There is no known exploitation of CVE-2014-5471 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-5471, GHSA-vgw5-xv43-8v8j, UBUNTU-CVE-2014-5471.

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