arch/ia64/xen/faults.c in Xen 3.4 and 4.0 in Linux kernel 2.6.18, and possibly other kernel versions, when running on IA-64 architectures, allows local users to cause a denial of service and turn on BE by modifying the user mask of the PSR, as demonstrated via exploitation of CVE-2006-0742.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Xen | Xensource | 3.4.0 (including) | 3.4.0 (including) |
| Xen | Xensource | 4.0.0 (including) | 4.0.0 (including) |
| Red Hat Enterprise Linux 5 | RedHat | kernel-0:2.6.18-194.11.1.el5 | * |
| Linux-source-2.6.15 | Ubuntu | dapper | * |
| Linux-source-2.6.15 | Ubuntu | upstream | * |