CVE-2009-0935 Denial of service in n/a
Local users can cause a denial of service in the Linux kernel by triggering a double mutex unlock in the inotify subsystem via an invalid read address.
- 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-2009-0935?
CVE-2009-0935 is a medium-severity denial of service vulnerability in Linux kernel, published on 18 Mar 2009. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The inotify_read function in the Linux kernel 2.6.27 to 2.6.27.13, 2.6.28 to 2.6.28.2, and 2.6.29-rc3 allows local users to cause a denial of service (OOPS) via a read with an invalid address to an inotify instance, which causes the device's event list mutex to be unlocked twice and prevents proper synchronization of a data structure for the inotify instance.
Weakness: CWE-667
Which versions are affected by CVE-2009-0935?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2009-0935?
No fix has been published for CVE-2009-0935 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-2009-0935 being exploited?
There is no known exploitation of CVE-2009-0935 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-94f3-q8qm-3fq6.