CVE-2005-4811 Denial of service in n/a

Medium 4.9 Published Updated

Local users can crash the Linux kernel by triggering an mmap error in hugepage code, causing a denial of service.

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-2005-4811?

CVE-2005-4811 is a medium-severity denial of service vulnerability in Linux kernel, published on 22 Sep 2006. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The hugepage code (hugetlb.c) in Linux kernel 2.6, possibly 2.6.12 and 2.6.13, in certain configurations, allows local users to cause a denial of service (crash) by triggering an mmap error before a prefault, which causes an error in the unmap_hugepage_area function.

Which versions are affected by CVE-2005-4811?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2005-4811?

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-2005-4811 being exploited?

There is no known exploitation of CVE-2005-4811 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as GHSA-gj3q-qghf-gf7p.

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