Skip to content
CVE Tracker
Back

CVE-2016-3157

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…

High7.8EPSS 0.51%
Published
Updated
Reserved
Assigned by
mitre

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.

Scores

CVSS scores of CVE-2016-3157, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High7.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.51% · top 56% of all CVEs (2 Nov 2026)

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Weakness

Affected products

  • n/a

    • affected n/a

References (14)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .