CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
9.0%
xen is vulnerable to Denial Of Service (DoS). The vulnerability exists because any guest (PV or HVM) utilizing Debug Masks for its own purposes can cause incorrect behavior in an unrelated HVM vCPU. This issue is likely to result in a guest crash.