CVE-2014-0055 Denial of service in n/a
Guest OS users can crash the host OS via improper error handling in the vhost-net subsystem, requiring kernel patches.
- 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-2014-0055?
CVE-2014-0055 is a medium-severity denial of service vulnerability in Redhat Enterprise Linux, published on 26 Mar 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The get_rx_bufs function in drivers/vhost/net.c in the vhost-net subsystem in the Linux kernel package before 2.6.32-431.11.2 on Red Hat Enterprise Linux (RHEL) 6 does not properly handle vhost_get_vq_desc errors, which allows guest OS users to cause a denial of service (host OS crash) via unspecified vectors.
Which versions are affected by CVE-2014-0055?
It affects 1 product.
Products include Redhat Enterprise Linux.
How do I fix CVE-2014-0055?
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-2014-0055 being exploited?
There is no known exploitation of CVE-2014-0055 in the wild and no public exploit code.
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Sources
Also known as DEBIAN-CVE-2014-0055, GHSA-gxfq-q7c4-j95v.