CVE-2009-2649
First published: Thu Jul 30 2009(Updated: )
The IATA (ata) driver in FreeBSD 6.0 and 8.0, when read access to /dev is available, allows local users to cause a denial of service (kernel panic) via a certain IOCTL request with a large count, which triggers a malloc call with a large value.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| FreeBSD Kernel | =8.0 | |
| FreeBSD Kernel | =6.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2009-2649?
CVE-2009-2649 is rated as a high severity vulnerability due to its potential to cause a kernel panic leading to a denial of service.
How do I fix CVE-2009-2649?
To mitigate CVE-2009-2649, ensure that read access to /dev is restricted to authorized users only and consider upgrading to a patched version of FreeBSD.
What versions of FreeBSD are affected by CVE-2009-2649?
CVE-2009-2649 affects FreeBSD versions 6.0 and 8.0.
What type of vulnerability is CVE-2009-2649?
CVE-2009-2649 is a denial of service vulnerability caused by improper handling of IOCTL requests.
Who can exploit CVE-2009-2649?
Local users with read access to /dev can exploit CVE-2009-2649 to trigger a kernel panic.
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