CVE-2008-2372 Denial of service in n/a

Medium 4.9 Published Updated

Local attackers can cause denial of service via memory consumption by exploiting a missing optimization in the get_user_pages function.

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-2008-2372?

CVE-2008-2372 is a medium-severity denial of service vulnerability in Linux kernel, published on 2 Jul 2008. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Linux kernel 2.6.24 and 2.6.25 before 2.6.25.9 allows local users to cause a denial of service (memory consumption) via a large number of calls to the get_user_pages function, which lacks a ZERO_PAGE optimization and results in allocation of "useless newly zeroed pages."

Weakness: CWE-20

Which versions are affected by CVE-2008-2372?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2008-2372?

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-2008-2372 being exploited?

There is no known exploitation of CVE-2008-2372 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as GHSA-q4m2-jww9-j4j3.

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