CVE-2013-2232 Denial of service in n/a

Medium 4.9 Published Updated

Local attackers can crash the Linux kernel by using an IPv6 socket to connect to an IPv4 interface, causing a denial of service.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2013-2232?

CVE-2013-2232 is a medium-severity denial of service vulnerability in Linux kernel, published on 4 Jul 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The ip6_sk_dst_check function in net/ipv6/ip6_output.c in the Linux kernel before 3.10 allows local users to cause a denial of service (system crash) by using an AF_INET6 socket for a connection to an IPv4 interface.

Weakness: CWE-20

Which versions are affected by CVE-2013-2232?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2013-2232?

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-2013-2232 being exploited?

There is no known exploitation of CVE-2013-2232 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-2232, GHSA-rrc6-3p6m-fxc6.

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