CVE-2018-7542

2018-02-2719:29:00

Debian Security Bug Tracker

security-tracker.debian.org

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

23.9%

JSON

An issue was discovered in Xen 4.8.x through 4.10.x allowing x86 PVH guest OS users to cause a denial of service (NULL pointer dereference and hypervisor crash) by leveraging the mishandling of configurations that lack a Local APIC.

OSVersionArchitecturePackageVersionFilename
Debian12allxen< 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb
Debian11allxen< 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb
Debian10allxen< 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb
Debian999allxen< 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb
Debian13allxen< 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	xen	< 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5	xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb
Debian	11	all	xen	< 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5	xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb
Debian	10	all	xen	< 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5	xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb
Debian	999	all	xen	< 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5	xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb
Debian	13	all	xen	< 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5	xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb