Candidate: CVE-2006-4093
References: 
 http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9a936a2e0526089194159eae31238e36b1c19e74
Description: PPC HID0 DoS 
Ubuntu-Description:
 Olof Johansson discovered that the kernel did not disable the 'HID0'
 bit on PowerPC 970 processors so that the ATTN instruction was
 enabled. A local user could exploit this to crash the kernel. This
 flaw only affects the powerpc architecture.
Notes: 
Bugs: 
upstream: released (2.4.33.1), released (2.6.17.9), released (2.6.18-rc5)
linux-2.6: released (2.6.18-1)
2.6.8-sarge-security: released (2.6.8-16sarge5) [ppc-hid0-dos.dpatch]
2.4.27-sarge-security: released (2.4.27-10sarge5) [238_ppc-hid0-dos.diff]
2.6.10-hoary-security: released (2.6.10-34.23)
2.6.12-breezy-security: released (2.6.12-10.37)
2.6.15-dapper-security: released (2.6.15-26.47)
2.6.17-edgy: released (2.6.17-10.30)