CVE-2008-4307 Race condition in n/a
Local attackers can crash the Linux kernel via a race condition in NFS file locking, requiring kernel upgrades to mitigate.
- 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-2008-4307?
CVE-2008-4307 is a medium-severity vulnerability in Linux kernel, published on 13 Jan 2009. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Race condition in the do_setlk function in fs/nfs/file.c in the Linux kernel before 2.6.26 allows local users to cause a denial of service (crash) via vectors resulting in an interrupted RPC call that leads to a stray FL_POSIX lock, related to improper handling of a race between fcntl and close in the EINTR case.
Weakness: CWE-362
Which versions are affected by CVE-2008-4307?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2008-4307?
Upgrade to a fixed version.
Is CVE-2008-4307 being exploited?
There is no known exploitation of CVE-2008-4307 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-rjfh-5x67-p59h.