CVE-2017-15593

medium

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.

References

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

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

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

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

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

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

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

Details

Source: MITRE

Published: 2017-10-18

Updated: 2019-10-03

Type: CWE-772

Risk Information

CVSS v2

Base Score: 4.9

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

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3

Base Score: 6.5

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

Impact Score: 4

Exploitability Score: 2

Severity: MEDIUM