4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
0.001 Low
EPSS
Percentile
26.7%
GNTTABOP_swap_grant_ref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service (NULL pointer dereference) via a hypercall without a GNTTABOP_setup_table or GNTTABOP_set_version.
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 | 10 | 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 |