Computer Security
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FreeBSD NULL pointer dereference
SecurityVulns ID:11257
Threat Level:
Description:pfs_getextattr tries to unlock the mutex which was not previously locked.
CVE:CVE-2010-4210 (The pfs_getextattr function in FreeBSD 7.x before 7.3-RELEASE and 8.x before 8.0-RC1 unlocks a mutex that was not previously locked, which allows local users to cause a denial of service (kernel panic), overwrite arbitrary memory locations, and possibly execute arbitrary code via vectors related to opening a file on a file system that uses pseudofs.)
Original documentdocumentFREEBSD, FreeBSD Security Advisory FreeBSD-SA-10:09.pseudofs (15.11.2010)

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