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 (6)
Core 6
Core References
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/76152
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1033175
Patch, Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-139.html
Scores
EPSS
0.0007
EPSS Percentile
21.8%
Details
CWE
CWE-264
Status
published
Products (4)
fedoraproject/fedora
21
fedoraproject/fedora
22
xen/xen
4.5.1
xen/xen
< 4.5.0
Published
Aug 12, 2015
Tracked Since
Feb 18, 2026