Description
PHYSDEVOP_map_pirq in Xen 4.1 and 4.2 and Citrix XenServer 6.0.2 and earlier allows local HVM guest OS kernels to cause a denial of service (host crash) and possibly read hypervisor or guest memory via vectors related to a missing range check of map->index.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | xen | 4.1.3-2 | — |
| Debian 13 | xen | 4.1.3-2 | — |
| Debian 12 | xen | 4.1.3-2 | — |
References
- 55082 third-party-advisory
- 50530 third-party-advisory
- 51413 third-party-advisory
- GLSA-201309-24 vendor-advisory
- 55414 vdb-entry
- http://wiki.xen.org/wiki/Security_Announcements#XSA-16_PHYSDEVOP_map_pirq_index_vulnerability
- openSUSE-SU-2012:1572 vendor-advisory
- 50472 third-party-advisory
- [Xen-announce] 20120905 Xen Security Advisory 16 (CVE-2012-3498) - PHYSDEVOP_map_pirq index vulnerability mailing-list
- 85198 vdb-entry
- GLSA-201604-03 vendor-advisory
- xen-physdevopmappirq-dos(78269) vdb-entry
- SUSE-SU-2012:1132 vendor-advisory
- http://support.citrix.com/article/CTX134708
- SUSE-SU-2012:1133 vendor-advisory
- openSUSE-SU-2012:1573 vendor-advisory
- [oss-security] 20120905 Xen Security Advisory 16 (CVE-2012-3498) - PHYSDEVOP_map_pirq index vulnerability mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=851193
- openSUSE-SU-2012:1172 vendor-advisory
- 1027483 vdb-entry