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CVE-2017-7262

Published: 25 March 2017

The AMD Ryzen processor with AGESA microcode through 2017-01-27 allows local users to cause a denial of service (system hang) via an application that makes a long series of FMA3 instructions, as demonstrated by the Flops test suite.

Notes

AuthorNote
Debian
Hardware bug in AMD Ryzen CPUs, cannot be fixed via micro code
updates, but only BIOS updates

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
amd64-microcode
Launchpad, Ubuntu, Debian
upstream Needs triage

precise Does not exist

trusty Not vulnerable

xenial Not vulnerable

yakkety Not vulnerable

zesty Not vulnerable

artful Not vulnerable

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H