CVE-2017-15593

Published: Oct 18, 2017Modified: May 13, 2026

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 4.9.x allowing x86 PV guest OS users to cause a denial of service (memory leak) because reference counts are mishandled.

Affected (1)

Products: Xen: Xen

Xen

1 product

Xen

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Xen Xen	Up to 4.9.0

Related CWEs

CWE-772

Missing Release of Resource after Effective Lifetime

The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.

References (14)

http://www.securitytracker.com/id/1039568

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html

Source: cve@mitre.org

https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html

Source: cve@mitre.org

https://security.gentoo.org/glsa/201801-14

Source: cve@mitre.org

https://support.citrix.com/article/CTX228867

Source: cve@mitre.org

https://www.debian.org/security/2017/dsa-4050

Source: cve@mitre.org

https://xenbits.xen.org/xsa/advisory-242.html

Source: cve@mitre.org

MitigationPatchVendor Advisory

http://www.securitytracker.com/id/1039568