CVE-2012-0810 Denial of service in Linux kernel
Local attackers can cause a system panic and denial of service by triggering lock contention in the Linux kernel's int3 handler.
- 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-2012-0810?
CVE-2012-0810 is a medium-severity denial of service vulnerability in Linux kernel, published on 12 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The int3 handler in the Linux kernel before 3.3 relies on a per-CPU debug stack, which allows local users to cause a denial of service (stack corruption and panic) via a crafted application that triggers certain lock contention.
Weakness: CWE-400
Which versions are affected by CVE-2012-0810?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2012-0810?
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-2012-0810 being exploited?
There is no known exploitation of CVE-2012-0810 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-xgx6-xwch-wmqq.