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Published: 30/07/2009 Updated: 19/10/2017

CVSS v2 Base Score: 4.7 | Impact Score: 6.9 | Exploitability Score: 3.4

VMScore: 475

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

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.

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freebsd freebsd 6.0
freebsd freebsd 8.0

/* atapanicc * * by Shaun Colley, 13 July 2009 * * this panics the freebsd kernel by passing a large value to malloc(9) in one of * fbsd's ata ioctl's tested on freebsd 60 and 80 you need read access to the * ata device in /dev to be able to open() the device chain with some race condition * bug? * * - shaun * */ #include < ...

CWE-264 http://www.securitytracker.com/id?1022538 http://www.securityfocus.com/bid/35645 https://www.exploit-db.com/exploits/9134 https://nvd.nist.gov https://www.exploit-db.com/exploits/9134/

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CVE-2009-2649

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