The signal handling in the Linux kernel before 2.6.22, including 2.6.2, when running on PowerPC systems using HTX, allows local users to cause a denial of service via unspecified vectors involving floating point corruption and concurrency, related to clearing of MSR bits.
bugzilla.redhat.com/bugzilla/show_bug.cgi?id=245580
kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
osvdb.org/37118
secunia.com/advisories/25955
secunia.com/advisories/25963
secunia.com/advisories/26664
secunia.com/advisories/27227
secunia.com/advisories/28706
www.novell.com/linux/security/advisories/2007_51_kernel.html
www.novell.com/linux/security/advisories/2007_53_kernel.html
www.redhat.com/support/errata/RHSA-2007-0595.html
www.securityfocus.com/bid/24845
www.securitytracker.com/id?1018347
www.ubuntu.com/usn/usn-574-1
exchange.xforce.ibmcloud.com/vulnerabilities/35383
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9936