CVE-2011-2693 Denial of service in n/a
Local users can cause a denial of service by triggering excessive log messages through improper NMI handling in the Linux kernel perf subsystem.
- 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-2011-2693?
CVE-2011-2693 is a low-severity denial of service vulnerability in Redhat Enterprise Linux, published on 8 Jun 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The perf subsystem in the kernel package 2.6.32-122.el6.x86_64 in Red Hat Enterprise Linux (RHEL) 6 does not properly handle NMIs, which might allow local users to cause a denial of service (excessive log messages) via unspecified vectors.
Which versions are affected by CVE-2011-2693?
It affects 1 product.
Products include Redhat Enterprise Linux.
How do I fix CVE-2011-2693?
No fix has been published for CVE-2011-2693 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-2011-2693 being exploited?
There is no known exploitation of CVE-2011-2693 in the wild and no public exploit code.
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Sources
Also known as GHSA-f796-mwxc-3vc9.