CVE-2017-15588 Information

Description

An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/101490 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/msg00009.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-241.html

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8