CVE-2018-7540

Published: Feb 27, 2018Modified: Nov 21, 2024

6.5

Vector

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

Exploitability: 2.0 / Impact: 4.0

Source: NVD

Description

An issue was discovered in Xen through 4.10.x allowing x86 PV guest OS users to cause a denial of service (host OS CPU hang) via non-preemptable L3/L4 pagetable freeing.

Affected (2)

Products: Xen: Xen · Debian: Debian Linux

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Xen Xen	Up to 4.10.0

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 9.0

Related CWEs

CWE-400

Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

References (18)

http://www.securityfocus.com/bid/103174

Source: cve@mitre.org

http://www.securitytracker.com/id/1040773

Source: cve@mitre.org

https://lists.debian.org/debian-lts-announce/2018/03/msg00003.html

Source: cve@mitre.org

Third Party Advisory

https://lists.debian.org/debian-lts-announce/2018/11/msg00013.html

Source: cve@mitre.org

https://security.gentoo.org/glsa/201810-06

Source: cve@mitre.org

https://support.citrix.com/article/CTX232096

Source: cve@mitre.org

https://support.citrix.com/article/CTX232655

Source: cve@mitre.org

https://www.debian.org/security/2018/dsa-4131

Source: cve@mitre.org

Third Party Advisory

https://xenbits.xen.org/xsa/advisory-252.html

Source: cve@mitre.org

Vendor Advisory

http://www.securityfocus.com/bid/103174