usr/log.c in iscsid in open-iscsi (iscsi-initiator-utils) before 2.0-865 uses a semaphore with insecure permissions (world-writable/world-readable) for managing log messages using shared memory, which allows local users to cause a denial of service (hang) by grabbing the semaphore.
bugzilla.redhat.com/bugzilla/show_bug.cgi?id=243719
osvdb.org/37270
secunia.com/advisories/25679
secunia.com/advisories/25749
secunia.com/advisories/26438
secunia.com/advisories/26543
support.novell.com/techcenter/psdb/187174044e1dbe78726bcf840f7530ed.html
svn.berlios.de/viewcvs/open-iscsi?rev=858&view=rev
www.debian.org/security/2007/dsa-1314
www.novell.com/linux/security/advisories/2007_17_sr.html
www.redhat.com/support/errata/RHSA-2007-0497.html
www.securityfocus.com/bid/24471
www.securitytracker.com/id?1018246
exchange.xforce.ibmcloud.com/vulnerabilities/34943
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10653