High severity8.8NVD Advisory· Published Aug 2, 2016· Updated May 6, 2026
CVE-2016-6258
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.
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
10- xenbits.xen.org/xsa/advisory-182.htmlnvdMitigationPatchVendor Advisory
- xenbits.xen.org/xsa/xsa182-4.5.patchnvdPatch
- xenbits.xen.org/xsa/xsa182-4.6.patchnvdPatch
- xenbits.xen.org/xsa/xsa182-unstable.patchnvdPatch
- support.citrix.com/article/CTX214954nvdVendor Advisory
- www.securityfocus.com/bid/92131nvdThird Party Advisory
- www.securitytracker.com/id/1036446nvdThird Party Advisory
- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlnvdRelease Notes
- www.debian.org/security/2016/dsa-3633nvd
- security.gentoo.org/glsa/201611-09nvd
News mentions
0No linked articles in our index yet.