CVE-2011-3347 Denial of service in n/a
Remote attackers can crash the system via non-member VLAN packets when promiscuous mode is enabled in the be2net kernel driver.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-3347?
CVE-2011-3347 is a medium-severity denial of service vulnerability in Redhat Enterprise Linux, published on 8 Jun 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A certain Red Hat patch to the be2net implementation in the kernel package before 2.6.32-218.el6 on Red Hat Enterprise Linux (RHEL) 6, when promiscuous mode is enabled, allows remote attackers to cause a denial of service (system crash) via non-member VLAN packets.
Which versions are affected by CVE-2011-3347?
It affects 1 product.
Products include Redhat Enterprise Linux.
How do I fix CVE-2011-3347?
Apply the vendor's patch.
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-2011-3347 being exploited?
There is no known exploitation of CVE-2011-3347 in the wild and no public exploit code.
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Sources
Also known as GHSA-hf88-fvh2-2xgw.