CVE-2015-5166

Published: Aug 12, 2015Modified: May 6, 2026

7.2

Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability: 3.9 / Impact: 10.0

Source: NVD

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.

Affected (4)

Products: Fedoraproject: Fedora · Xen: Xen

1 product

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 21
Fedoraproject Fedora	Version 22

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Xen Xen	Up to 4.5.0
Xen Xen	Version 4.5.1

Related CWEs

CWE-264

References (12)

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

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

Source: secalert@redhat.com

PatchVendor Advisory

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