The HVMOP_inject_msi function in Xen 4.2.x, 4.3.x, and 4.4.x does not properly check the return value from the IRQ setup check, which allows local HVM guest administrators to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Xen | Xen | 4.2.0 (including) | 4.2.0 (including) |
| Xen | Xen | 4.2.1 (including) | 4.2.1 (including) |
| Xen | Xen | 4.2.2 (including) | 4.2.2 (including) |
| Xen | Xen | 4.2.3 (including) | 4.2.3 (including) |
| Xen | Ubuntu | devel | * |
| Xen | Ubuntu | saucy | * |
| Xen | Ubuntu | trusty | * |
| Xen-3.3 | Ubuntu | upstream | * |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134710.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134739.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
- http://www.openwall.com/lists/oss-security/2014/06/04/13
- http://www.securityfocus.com/bid/67794
- http://www.securitytracker.com/id/1030322
- http://xenbits.xen.org/xsa/advisory-96.html
- https://security.gentoo.org/glsa/201504-04
- http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134710.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134739.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
- http://www.openwall.com/lists/oss-security/2014/06/04/13
- http://www.securityfocus.com/bid/67794
- http://www.securitytracker.com/id/1030322
- http://xenbits.xen.org/xsa/advisory-96.html
- https://security.gentoo.org/glsa/201504-04