5.8 Medium
AI Score
Confidence
Low
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:M/Au:S/C:N/I:N/A:C
0.001 Low
EPSS
Percentile
25.6%
The netback driver in Xen, when using certain Linux versions that do not allow sleeping in softirq context, allows local guest administrators to cause a denial of service (βscheduling while atomicβ error and host crash) via a malformed packet, which causes a mutex to be taken when trying to disable the interface.