CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:A/AC:L/Au:S/C:N/I:N/A:C
EPSS
Percentile
26.7%
Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local
64 bit PV guest administrators to cause a denial of service (host crash)
via unspecified hypercalls that ignore virtual-address bits.
Author | Note |
---|---|
mdeslaur | This is XSA-4. Upstream says only 3.3 and earlier are affected. |