CVE-2011-2479 Denial of service in n/a
Local users can crash the system by exploiting improper handling of transparent huge pages during specific memory mapping operations.
- 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-2011-2479?
CVE-2011-2479 is a medium-severity denial of service vulnerability in Linux kernel, published on 1 Mar 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Linux kernel before 2.6.39 does not properly create transparent huge pages in response to a MAP_PRIVATE mmap system call on /dev/zero, which allows local users to cause a denial of service (system crash) via a crafted application.
Weakness: CWE-399
Which versions are affected by CVE-2011-2479?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2011-2479?
Upgrade to a fixed version.
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-2011-2479 being exploited?
There is no known exploitation of CVE-2011-2479 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-qwrg-2m8j-ppj3.