2.1 Low
CVSS2
Access Vector
Access Complexity
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
25.5%
The fbld instruction emulation in Xen 3.3.x through 4.3.x does not use the
correct variable for the source effective address, which allows local HVM
guests to obtain hypervisor stack information by reading the values used by
the instruction.
Author | Note |
---|---|
mdeslaur | this is xsa-66 |