CVE-2009-2857 Denial of service in n/a
Local users can cause a system halt via deadlock by exploiting improper filesystem and virtual-memory interaction in the Solaris 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-2009-2857?
CVE-2009-2857 is a medium-severity denial of service vulnerability in Oracle Solaris, published on 19 Aug 2009. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The kernel in Sun Solaris 8, 9, and 10, and OpenSolaris before snv_103, does not properly handle interaction between the filesystem and virtual-memory implementations, which allows local users to cause a denial of service (deadlock and system halt) via vectors involving mmap and write operations on the same file.
Weakness: CWE-667
Which versions are affected by CVE-2009-2857?
It affects 2 products.
Products include Oracle Opensolaris, Oracle Solaris.
How do I fix CVE-2009-2857?
No fix has been published for CVE-2009-2857 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-2009-2857 being exploited?
There is no known exploitation of CVE-2009-2857 in the wild and no public exploit code.
Other vulnerabilities in Oracle Solaris
Sources
Also known as GHSA-4r97-p529-3c59.