Debian Security Bug TrackerDEBIANCVE:CVE-2017-17563CVE-2017-17563
6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
26.7%
An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for reference-count overflow checking in shadow mode.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | xen | < 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 | xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb |
| Debian | 11 | all | xen | < 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 | xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb |
| Debian | 999 | all | xen | < 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 | xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb |
| Debian | 13 | all | xen | < 4.8.3+comet2+shim4.10.0+comet3-1+deb9u5 | xen_4.8.3+comet2+shim4.10.0+comet3-1+deb9u5_all.deb |
Related
6.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
26.7%