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CVE-2017-2584

Published: 14 January 2017

arch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free) via a crafted application that leverages instruction emulation for fxrstor, fxsave, sgdt, and sidt.

From the Ubuntu Security Team

Dmitry Vyukov discovered that the KVM implementation in the Linux kernel improperly emulated certain instructions. A local attacker could use this to obtain sensitive information (kernel memory).

Priority

Medium

Cvss 3 Severity Score

7.1

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.13.0-16.19)
upstream
Released (4.10~rc4)
artful Not vulnerable
(4.10.0-19.21)
cosmic Not vulnerable
(4.15.0-20.21)
precise Not vulnerable

trusty
Released (3.13.0-157.207)
xenial
Released (4.4.0-63.84)
yakkety Ignored
(end of life)
zesty Not vulnerable
(4.9.0-15.16)
Patches:
Introduced by

96051572c819194c37a8367624b285be10297eca

Fixed by 129a72a0d3c8e139a04512325384fe5ac119e74d
linux-armadaxp
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

precise Not vulnerable

trusty Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-goldfish
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored)
xenial Not vulnerable

yakkety Not vulnerable

zesty Not vulnerable

linux-grouper
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-linaro-omap
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

precise Ignored
(end of life)
linux-linaro-shared
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

precise Ignored
(end of life)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

precise Ignored
(end of life)
linux-aws
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1001.1)
upstream
Released (4.10~rc4)
artful Does not exist

cosmic Not vulnerable
(4.15.0-1007.7)
precise Does not exist

trusty Not vulnerable
(4.4.0-1002.2)
xenial
Released (4.4.0-1003.12)
yakkety Does not exist

zesty Does not exist

linux-azure
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1002.2)
upstream
Released (4.10~rc4)
artful Does not exist

cosmic Not vulnerable
(4.15.0-1009.9)
trusty Not vulnerable
(4.15.0-1023.24~14.04.1)
xenial Not vulnerable
(4.11.0-1009.9)
yakkety Does not exist

zesty Does not exist

linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.18.0-1003.3~18.04.1)
upstream
Released (4.10~rc4)
cosmic Does not exist

trusty Does not exist

xenial Not vulnerable
(4.15.0-1002.2)
linux-euclid
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Ignored
(was needed ESM criteria)
zesty Does not exist

linux-flo
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored)
xenial Not vulnerable

yakkety Not vulnerable

zesty Does not exist

linux-gcp
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1001.1)
upstream
Released (4.10~rc4)
artful Does not exist

cosmic Not vulnerable
(4.15.0-1006.6)
trusty Does not exist

xenial Not vulnerable
(4.10.0-1004.4)
yakkety Does not exist

zesty Does not exist

linux-gke
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

xenial Not vulnerable
(4.4.0-1003.3)
yakkety Does not exist

zesty Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic Not vulnerable

upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

xenial
Released (4.10.0-27.30~16.04.2)
yakkety Does not exist

zesty Does not exist

linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.18.0-8.9~18.04.1)
upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

xenial
Released (4.10.0-27.30~16.04.2)
yakkety Does not exist

zesty Does not exist

linux-kvm
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1002.2)
upstream
Released (4.10~rc4)
artful Does not exist

cosmic Not vulnerable
(4.15.0-1008.8)
trusty Does not exist

xenial Not vulnerable
(4.4.0-1004.9)
zesty Does not exist

linux-lts-utopic
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-lts-vivid
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Ignored
(end of life, was needed)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-lts-wily
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10~rc4)
cosmic Does not exist

artful Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
bionic Does not exist

upstream
Released (4.10~rc4)
artful Does not exist

cosmic Does not exist

precise Does not exist

trusty
Released (4.4.0-63.84~14.04.2)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-mako
Launchpad, Ubuntu, Debian
bionic Does not exist

artful Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.10~rc4)
xenial Not vulnerable

yakkety Not vulnerable

zesty Does not exist

linux-lts-quantal
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.10~rc4)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.10~rc4)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-lts-saucy
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.10~rc4)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.10~rc4)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-maguro
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.10~rc4)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-manta
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.10~rc4)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-oem
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1002.3)
cosmic Not vulnerable
(4.15.0-1004.5)
trusty Does not exist

upstream
Released (4.10~rc4)
xenial Not vulnerable
(4.13.0-1008.9)
zesty Does not exist

linux-qcm-msm
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.10~rc4)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
artful Not vulnerable
(4.10.0-1004.6)
bionic Not vulnerable
(4.13.0-1005.5)
cosmic Not vulnerable
(4.15.0-1010.11)
precise Does not exist

trusty Does not exist

upstream
Released (4.10~rc4)
xenial
Released (4.4.0-1044.51)
yakkety Ignored
(end of life)
zesty Not vulnerable
(4.10.0-1001.3)
linux-snapdragon
Launchpad, Ubuntu, Debian
artful Not vulnerable
(4.4.0-1050.54)
bionic Not vulnerable

cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.10~rc4)
xenial
Released (4.4.0-1047.51)
yakkety
Released (4.4.0-1048.52)
zesty Not vulnerable
(4.4.0-1047.51)
linux-ti-omap4
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Not vulnerable

trusty Does not exist

upstream
Released (4.10~rc4)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

Severity score breakdown

Parameter Value
Base score 7.1
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H