CVE-2014-7207 Null dereference in n/a
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.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-ggxv-j99v-vqcg.