Description
The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html ↗
- http://xenbits.xen.org/xsa/advisory-182.html ↗
- http://xenbits.xen.org/xsa/xsa182-4.6.patch ↗
- http://support.citrix.com/article/CTX214954 ↗
- https://security.gentoo.org/glsa/201611-09 ↗
- http://xenbits.xen.org/xsa/xsa182-unstable.patch ↗
- http://xenbits.xen.org/xsa/xsa182-4.5.patch ↗
- http://www.debian.org/security/2016/dsa-3633 ↗
- http://www.securitytracker.com/id/1036446 ↗
- http://www.securityfocus.com/bid/92131 ↗