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CVE-2019-11139

Published: 12 November 2019

Improper conditions check in the voltage modulation interface for some Intel(R) Xeon(R) Scalable Processors may allow a privileged user to potentially enable denial of service via local access.

From the Ubuntu Security Team

It was discovered that certain Intel Xeon processors did not properly restrict access to a voltage modulation interface. A local privileged attacker could use this to cause a denial of service (system crash).

Notes

AuthorNote
tyhicks
This issue only affects processors manufactured by Intel
Kernel changes are not needed to mitigate this issue

Priority

Medium

Cvss 3 Severity Score

6.0

Score breakdown

Status

Package Release Status
intel-microcode
Launchpad, Ubuntu, Debian
bionic
Released (3.20191112-0ubuntu0.18.04.2)
disco
Released (3.20191112-0ubuntu0.19.04.2)
eoan
Released (3.20191112-0ubuntu0.19.10.2)
trusty
Released (3.20191112-0ubuntu0.14.04.2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream Needs triage

xenial
Released (3.20191112-0ubuntu0.16.04.2)

Severity score breakdown

Parameter Value
Base score 6.0
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Scope Changed
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H