4.7 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:N/I:N/A:C
0.001 Low
EPSS
Percentile
27.3%
The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier
does not properly unlock the subject GFNs when checking if they are in use,
which allows local guest HVM administrators to cause a denial of service
(hang) via unspecified vectors.