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.
2015-08-12T14:59:25.247
2025-04-12T10:46:40.837
Deferred
CVSSv2: 7.2 (HIGH)
AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Operating System | fedoraproject | fedora | 21 | Yes |
Operating System | fedoraproject | fedora | 22 | Yes |
Operating System | xen | xen | ≤ 4.5.0 | Yes |
Operating System | xen | xen | 4.5.1 | Yes |