CVE-2006-5648 Denial of service in n/a

Medium 5.5 Published 14 Dec 2006 Updated 3 Apr 2025

Local attackers can cause denial of service by creating unkillable processes via robust list system calls in the Linux kernel.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2006-5648?

CVE-2006-5648 is a medium-severity denial of service vulnerability in Ubuntu Ubuntu Linux, published on 14 Dec 2006. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Ubuntu Linux 6.10 for the PowerPC (PPC) allows local users to cause a denial of service (resource consumption) by using the (1) sys_get_robust_list and (2) sys_set_robust_list functions to create processes that cannot be killed.

Weakness: CWE-400

Which versions are affected by CVE-2006-5648?

It affects 1 product.

Products include Ubuntu Ubuntu Linux.

How do I fix CVE-2006-5648?

No fix has been published for CVE-2006-5648 yet. Limit exposure of the affected software until one is available.

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-2006-5648 being exploited?

There is no known exploitation of CVE-2006-5648 in the wild and no public exploit code.

All Ubuntu Ubuntu Linux vulnerabilities

Sources

Also known as GHSA-c335-grgp-6vgc.