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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2016-04-12T16:00:00

Updated: 2024-08-05T23:47:57.945Z

Reserved: 2016-03-15T00:00:00

Link: CVE-2016-3157

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2016-04-12T16:59:02.423

Modified: 2024-11-21T02:49:29.670

Link: CVE-2016-3157

cve-icon Redhat

Severity : Moderate

Publid Date: 2016-03-16T00:00:00Z

Links: CVE-2016-3157 - Bugzilla