CVE-2014-7207 Null dereference in n/a

Medium 4.9 Published Updated

Local users with tun or macvtap access can crash the system via a NULL pointer dereference in the Linux kernel IPv6 implementation.

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-2014-7207?

CVE-2014-7207 is a medium-severity vulnerability in Linux kernel, published on 10 Nov 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A certain Debian patch to the IPv6 implementation in the Linux kernel 3.2.x through 3.2.63 does not properly validate arguments in ipv6_select_ident function calls, which allows local users to cause a denial of service (NULL pointer dereference and system crash) by leveraging (1) tun or (2) macvtap device access.

Which versions are affected by CVE-2014-7207?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2014-7207?

Apply the vendor's patch.

Is CVE-2014-7207 being exploited?

There is no known exploitation of CVE-2014-7207 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as GHSA-ggxv-j99v-vqcg.

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