CVE-2016-6258

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.

References

https://security.gentoo.org/glsa/201611-09

http://support.citrix.com/article/CTX214954

http://www.debian.org/security/2016/dsa-3633

http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

http://www.securitytracker.com/id/1036446

http://xenbits.xen.org/xsa/advisory-182.html

http://xenbits.xen.org/xsa/xsa182-4.5.patch

http://xenbits.xen.org/xsa/xsa182-4.6.patch

http://xenbits.xen.org/xsa/xsa182-unstable.patch

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3