CVE ID:	CVE-2006-5173
Description:	Linux kernel does not properly save or restore EFLAGS during a context switch, or reset the flags when creating new threads, which allows local users to cause a denial of service (process crash), as demonstrated using a process that sets the Alignment Check flag (EFLAGS 0x40000), which triggers a SIGBUS in other processes that have an unaligned access.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2006-5173 BugTraq ID: 21851 http://www.securityfocus.com/bid/21851 Bugtraq: 20070615 rPSA-2007-0124-1 kernel xen (Google Search) http://www.securityfocus.com/archive/1/471457 http://www.mandriva.com/security/advisories?name=MDKSA-2007:002 http://secunia.com/advisories/23361 http://secunia.com/advisories/23384 http://secunia.com/advisories/23474 http://secunia.com/advisories/23593 http://secunia.com/advisories/25691 SuSE Security Announcement: SUSE-SA:2006:079 (Google Search) http://www.novell.com/linux/security/advisories/2006_79_kernel.html http://www.ubuntu.com/usn/usn-395-1