CVE-2015-5166

high

Description

Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.

References

http://xenbits.xen.org/xsa/advisory-139.html

http://www.securitytracker.com/id/1033175

http://www.securityfocus.com/bid/76152

http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html

Details

Source: Mitre, NVD

Published: 2015-08-12

Updated: 2025-04-12

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: 7.8

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