CVE-2013-0309 Denial of service in n/a
Local attackers can crash the system via a crafted application when transparent huge pages are enabled in the Linux kernel.
- 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-2013-0309?
CVE-2013-0309 is a medium-severity denial of service vulnerability in Linux kernel, published on 22 Feb 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
arch/x86/include/asm/pgtable.h in the Linux kernel before 3.6.2, when transparent huge pages are used, does not properly support PROT_NONE memory regions, which allows local users to cause a denial of service (system crash) via a crafted application.
Weakness: CWE-119
Which versions are affected by CVE-2013-0309?
It affects 2 products.
Products include Linux kernel, Redhat Enterprise Linux.
How do I fix CVE-2013-0309?
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-2013-0309 being exploited?
There is no known exploitation of CVE-2013-0309 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2013-0309, GHSA-pwmw-wxq4-vr2f.