CVE-2016-3157

N/A
Published: April 12, 2016 at 04:00 PM UTC
Updated: June 17, 2026 at 12:45 AM UTC
2 products affected across 2 vendorsUbuntu LinuxXen

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Severity
N/A
Exploit prediction
EPSS 0.5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Xen· Xenwordpress-plugin
95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (14)

CVSS

Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-264

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