Vulnerability CVE-2017-15588
Published: 2017-10-18

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.

Type:

CWE-362

CVSS2 => (AV:L/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.9/10
10/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
XEN -> XEN 

 References:
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
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