FreeBSD VuXML: Documenting security issues in FreeBSD and the FreeBSD Ports Collection

CVE-2008-3890

This CVE name corresponds to:

Entered	Topic
2008-09-05	FreeBSD -- amd64 swapgs local privilege escalation

The following information is adapted from the Common Vulnerabilities and Exposures (CVE) project. CVE and the CVE logo are trademarks of The MITRE Corporation. CVE content is Copyright 2005, The MITRE Corporation.

CVE-2008-3890 at cve.mitre.org

Details

Type	Candidate
Name	CVE-2008-3890
Phase	Assigned(20080902)

Description

The kernel in FreeBSD 6.3 through 7.0 on amd64 platforms can make an extra swapgs call after a General Protection Fault (GPF), which allows local users to gain privileges by triggering a GPF during the kernel's return from (1) an interrupt, (2) a trap, or (3) a system call.

References

Source	Reference
FREEBSD	FreeBSD-SA-08:07
BID	31003
SECTRACK	1020815
SECUNIA	31743
XF	freebsd-fault-privilege-escalation(44905)