CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:A/AC:L/Au:S/C:N/I:P/A:C
AI Score
Confidence
High
EPSS
Percentile
26.7%
Xen 4.4.x, when running on an ARM system, does not properly context switch the CNTKCTL_EL1 register, which allows local guest users to modify the hardware timers and cause a denial of service (crash) via unspecified vectors.