Unrated severityNVD Advisory· Published Oct 6, 2009· Updated Apr 23, 2026

CVE-2009-3527

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 products

FreeBSD/FreeBSD2 versions
cpe:2.3:o:freebsd:freebsd:6.3:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:freebsd:freebsd:6.3:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:6.4:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

security.freebsd.org/advisories/FreeBSD-SA-09:13.pipe.ascnvdPatch
www.securityfocus.com/bid/36375nvdPatch
www.securitytracker.com/idnvdPatch
www.securityfocus.com/archive/1/506449nvdExploit
osvdb.org/58544nvd

News mentions

No linked articles in our index yet.

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