CVE-2006-4342 Race condition in n/a
Local users can cause a system deadlock and denial of service on SMP systems by racing shmat and shmctl operations on shared memory segments.
- 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-2006-4342?
CVE-2006-4342 is a medium-severity vulnerability in Redhat Enterprise Linux, published on 17 Oct 2006. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The kernel in Red Hat Enterprise Linux 3, when running on SMP systems, allows local users to cause a denial of service (deadlock) by running the shmat function on an shm at the same time that shmctl is removing that shm (IPC_RMID), which prevents a spinlock from being unlocked.
Weakness: CWE-667
Which versions are affected by CVE-2006-4342?
It affects 1 product.
Products include Redhat Enterprise Linux.
How do I fix CVE-2006-4342?
Apply the vendor's patch.
Is CVE-2006-4342 being exploited?
There is no known exploitation of CVE-2006-4342 in the wild and no public exploit code.
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Sources
Also known as GHSA-876r-chc7-85m3.