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CVE-2009-2649

MediumPublished

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...

Published: Jul 30, 2009
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Jul 13, 2009

Primary CVSS

4.7/ 10Medium

nvd · CVSS 2.0

AV:L/AC:M/Au:N/C:N/I:N/A:C

EPSS probability estimate

0.8%

Low · next 30 days

Percentile: 54.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

FreeBSD 6/8 - ata Device Local Denial of ServiceExploit
Shaun Colley · freebsd · Jul 13, 2009

Responsible use

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