CVE-2010-0623 Denial of service in n/a
Local users can cause a denial of service via an unmount of an ext3 filesystem due to improper reference count management in the Linux kernel.
- 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-2010-0623?
CVE-2010-0623 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 15 Feb 2010. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The futex_lock_pi function in kernel/futex.c in the Linux kernel before 2.6.33-rc7 does not properly manage a certain reference count, which allows local users to cause a denial of service (OOPS) via vectors involving an unmount of an ext3 filesystem.
Which versions are affected by CVE-2010-0623?
It affects 3 products.
Products include Canonical Ubuntu Linux, Linux kernel, Opensuse Opensuse.
How do I fix CVE-2010-0623?
No fix has been published for CVE-2010-0623 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-2010-0623 being exploited?
There is no known exploitation of CVE-2010-0623 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-h4hr-vrvh-q8pp.