7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
26.7%
The mod_l2_entry function in arch/x86/mm.c in Xen 3.4 through 4.6.x does not properly validate level 2 page table entries, which allows local PV guest administrators to gain privileges via a crafted superpage mapping.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | xen | < 4.6.0-1 | xen_4.6.0-1_all.deb |
Debian | 11 | all | xen | < 4.6.0-1 | xen_4.6.0-1_all.deb |
Debian | 999 | all | xen | < 4.6.0-1 | xen_4.6.0-1_all.deb |
Debian | 13 | all | xen | < 4.6.0-1 | xen_4.6.0-1_all.deb |