CVE-2017-8903

high

Description

Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213.

References

https://xenbits.xen.org/xsa/advisory-213.html

https://security.gentoo.org/glsa/201705-11

https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/

http://www.securitytracker.com/id/1038386

http://www.securityfocus.com/bid/98426

Details

Source: Mitre, NVD

Published: 2017-05-11

Updated: 2019-10-03

Risk Information

CVSS v2

Base Score: 7.2

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

Severity: High

CVSS v3

Base Score: 8.8

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