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.
Affected Software
| 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 | * |
References
- http://osvdb.org/65541
- http://secunia.com/advisories/43315
- http://www.openwall.com/lists/oss-security/2010/06/10/2
- http://www.redhat.com/support/errata/RHSA-2010-0610.html
- http://www.securityfocus.com/archive/1/516397/100/0/threaded
- http://www.securityfocus.com/bid/40776
- http://www.vmware.com/security/advisories/VMSA-2011-0003.html
- http://xenbits.xensource.com/xen-4.0-testing.hg?rev/42caadb14edb
- https://bugzilla.redhat.com/show_bug.cgi?id=586415
- https://exchange.xforce.ibmcloud.com/vulnerabilities/59373
- http://osvdb.org/65541
- http://secunia.com/advisories/43315
- http://www.openwall.com/lists/oss-security/2010/06/10/2
- http://www.redhat.com/support/errata/RHSA-2010-0610.html
- http://www.securityfocus.com/archive/1/516397/100/0/threaded
- http://www.securityfocus.com/bid/40776
- http://www.vmware.com/security/advisories/VMSA-2011-0003.html
- http://xenbits.xensource.com/xen-4.0-testing.hg?rev/42caadb14edb
- https://bugzilla.redhat.com/show_bug.cgi?id=586415
- https://exchange.xforce.ibmcloud.com/vulnerabilities/59373