CVE Catalog

CVE-2016-6258

High
Published: Translated: NVD NIST

Summary

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.

Risk Assessment

The organization may be exposed to unauthorized access to the host system, potentially leading to serious security breaches and data loss.

Recommendation

It is recommended to upgrade to a newer version of Xen to mitigate this vulnerability and restrict access to guest OS administrators.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS