Security Advisory

CVE-2016-3157

7.8
HIGH

Vulnerability Description

The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.
Published Date April 12, 2016
Official Source NIST NVD Advisory