CVE-2014-1453 Denial of service in n/a
Remote authenticated users can cause a denial of service in the FreeBSD NFS server via a deadlock caused by improper lock ordering.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-1453?
CVE-2014-1453 is a medium-severity denial of service vulnerability in Freebsd Freebsd, published on 16 Apr 2014. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The NFS server (nfsserver) in FreeBSD 8.3 through 10.0 does not acquire locks in the proper order when converting a directory file handle to a vnode, which allows remote authenticated users to cause a denial of service (deadlock) via vectors involving a thread that uses the correct locking order.
Weakness: CWE-399
Which versions are affected by CVE-2014-1453?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2014-1453?
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-2014-1453 being exploited?
There is no known exploitation of CVE-2014-1453 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-q22x-3r3x-fx6v.