CVE-2011-1474 Denial of service in n/a
A local attacker can cause a system crash by triggering an infinite loop in the Linux kernel's memory management via specific mmap 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
- None listed
What is CVE-2011-1474?
CVE-2011-1474 is a medium-severity denial of service vulnerability in Linux kernel, published on 26 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A locally locally exploitable DOS vulnerability was found in pax-linux versions 2.6.32.33-test79.patch, 2.6.38-test3.patch, and 2.6.37.4-test14.patch. A bad bounds check in arch_get_unmapped_area_topdown triggered by programs doing an mmap after a MAP_GROWSDOWN mmap will create an infinite loop condition without releasing the VM semaphore eventually leading to a system crash.
Which versions are affected by CVE-2011-1474?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2011-1474?
No fix has been published for CVE-2011-1474 yet. Limit exposure of the affected software until one is available.
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-2011-1474 being exploited?
There is no known exploitation of CVE-2011-1474 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-m87h-fqqj-mh8j.