Xen through 4.8.x allows local 64-bit x86 HVM guest OS users to gain privileges by leveraging mishandling of SYSCALL singlestep during emulation.
http://xenbits.xen.org/xsa/advisory-204.html
http://www.securitytracker.com/id/1037491
http://www.securityfocus.com/bid/94963
http://www.debian.org/security/2017/dsa-3847
Source: Mitre, NVD
Published: 2017-01-26
Updated: 2024-11-21
Base Score: 4.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High