CVE-2008-5029 Denial of service in n/a

Medium 4.9 Published Updated

Local attackers can cause a kernel panic and denial of service by sending specific SCM_RIGHTS messages via UNIX domain sockets.

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-2008-5029?

CVE-2008-5029 is a medium-severity denial of service vulnerability in Linux kernel, published on 10 Nov 2008. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The __scm_destroy function in net/core/scm.c in the Linux kernel 2.6.27.4, 2.6.26, and earlier makes indirect recursive calls to itself through calls to the fput function, which allows local users to cause a denial of service (panic) via vectors related to sending an SCM_RIGHTS message through a UNIX domain socket and closing file descriptors.

Which versions are affected by CVE-2008-5029?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2008-5029?

Apply the vendor's patch.

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-2008-5029 being exploited?

There is no known exploitation of CVE-2008-5029 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as GHSA-4v49-wc47-43g8.

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