Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | kernel +12 | 2.6.18-194.11.1.el5 | RHSA-2010:0610 |
Advisories 1
- RHSA-2010:0610 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- RHSA-2010:0610 vendor-advisory
- http://xenbits.xensource.com/xen-4.0-testing.hg?rev/42caadb14edb
- [oss-security] 20100611 CVE-2010-2070 kernel-xen: ia64-xen: unset be from the task psr mailing-list
- 65541 vdb-entry
- 40776 vdb-entry
- 43315 third-party-advisory
- xen-faults-dos(59373) vdb-entry
- http://www.vmware.com/security/advisories/VMSA-2011-0003.html
- https://bugzilla.redhat.com/show_bug.cgi?id=586415
- 20110211 VMSA-2011-0003 Third party component updates for VMware vCenter Server, vCenter Update Manager, ESXi and ESX mailing-list