CVE-2017-10916

2017-07-0501:29:00

Debian Security Bug Tracker

security-tracker.debian.org

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

0.003 Low

EPSS

Percentile

70.2%

JSON

The vCPU context-switch implementation in Xen through 4.8.x improperly interacts with the Memory Protection Extensions (MPX) and Protection Key (PKU) features, which makes it easier for guest OS users to defeat ASLR and other protection mechanisms, aka XSA-220.

OSVersionArchitecturePackageVersionFilename
Debian12allxen< 4.8.1-1+deb9u3xen_4.8.1-1+deb9u3_all.deb
Debian11allxen< 4.8.1-1+deb9u3xen_4.8.1-1+deb9u3_all.deb
Debian999allxen< 4.8.1-1+deb9u3xen_4.8.1-1+deb9u3_all.deb
Debian13allxen< 4.8.1-1+deb9u3xen_4.8.1-1+deb9u3_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	xen	< 4.8.1-1+deb9u3	xen_4.8.1-1+deb9u3_all.deb
Debian	11	all	xen	< 4.8.1-1+deb9u3	xen_4.8.1-1+deb9u3_all.deb
Debian	999	all	xen	< 4.8.1-1+deb9u3	xen_4.8.1-1+deb9u3_all.deb
Debian	13	all	xen	< 4.8.1-1+deb9u3	xen_4.8.1-1+deb9u3_all.deb