CVE-2015-8339

critical

Description

The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly hand back pages to a domain, which might allow guest OS administrators to cause a denial of service (host crash) via unspecified vectors related to domain teardown.

References

https://security.gentoo.org/glsa/201604-03

http://xenbits.xen.org/xsa/advisory-159.html

http://www.securitytracker.com/id/1034391

http://www.securityfocus.com/bid/79038

http://www.debian.org/security/2016/dsa-3519

http://support.citrix.com/article/CTX203451

Details

Source: Mitre, NVD

Published: 2015-12-17

Risk Information

CVSS v2

Base Score: 4.7

Vector: CVSS2#AV:L/AC:M/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 9.8

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

Severity: Critical