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Debian Security Bug TrackerDEBIANCVE:CVE-2014-7156HistoryOct 02, 2014 - 2:55 p.m.
CVE-2014-7156
2014-10-0214:55:05
Debian Security Bug Tracker
security-tracker.debian.org
17
CVSS2
3.3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:A/AC:L/Au:N/C:N/I:N/A:P
EPSS
0.001
Percentile
28.1%
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | xen | < 4.4.1-3 | xen_4.4.1-3_all.deb |
| Debian | 11 | all | xen | < 4.4.1-3 | xen_4.4.1-3_all.deb |
| Debian | 999 | all | xen | < 4.4.1-3 | xen_4.4.1-3_all.deb |
| Debian | 13 | all | xen | < 4.4.1-3 | xen_4.4.1-3_all.deb |
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CVSS2
3.3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:A/AC:L/Au:N/C:N/I:N/A:P
EPSS
0.001
Percentile
28.1%
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