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CVE-2009-3527

nvd nist
Published: Oct 6, 2009Modified: Apr 23, 2026

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6.9
Vector
AV:L/AC:M/Au:N/C:C/I:C/A:C
Exploitability: 3.4 / Impact: 10.0
Source: NVD

Description

Race condition in the Pipe (IPC) close function in FreeBSD 6.3 and 6.4 allows local users to cause a denial of service (crash) or gain privileges via vectors related to kqueues, which triggers a use after free, leading to a NULL pointer dereference or memory corruption.

Affected (2)

Products: Freebsd: Freebsd
Freebsd
1 product
Freebsd
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Freebsd
Freebsd
Version 6.3
Freebsd
Version 6.4

Related CWEs

CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (10)

Source: cve@mitre.org
Source: cve@mitre.org
Patch
Source: cve@mitre.org
Exploit
Source: cve@mitre.org
Patch
Source: cve@mitre.org
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch

Timeline

No history available yet.