Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2014-7156

Published: Oct 02, 2014 | Modified: Apr 12, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
3.3 LOW
AV:A/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
4.9 MODERATE
AV:L/AC:L/Au:N/C:N/I:N/A:C
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2014-7156
CWEhttps://cwe.mitre.org/data/definitions/264.html

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.

Affected Software

NameVendorStart VersionEnd Version
XenXen3.3.0 (including)3.3.0 (including)
XenXen3.3.1 (including)3.3.1 (including)
XenXen3.3.2 (including)3.3.2 (including)
XenXen4.1.0 (including)4.1.0 (including)
XenXen4.1.1 (including)4.1.1 (including)
XenXen4.1.2 (including)4.1.2 (including)
XenXen4.1.3 (including)4.1.3 (including)
XenXen4.1.4 (including)4.1.4 (including)
XenXen4.1.5 (including)4.1.5 (including)
XenXen4.1.6.1 (including)4.1.6.1 (including)
XenXen4.2.0 (including)4.2.0 (including)
XenXen4.2.1 (including)4.2.1 (including)
XenXen4.2.2 (including)4.2.2 (including)
XenXen4.2.3 (including)4.2.3 (including)
XenXen4.3.0 (including)4.3.0 (including)
XenXen4.3.1 (including)4.3.1 (including)
XenXen4.4.0 (including)4.4.0 (including)
XenXen4.4.0-rc1 (including)4.4.0-rc1 (including)
XenXen4.4.1 (including)4.4.1 (including)
XenUbuntudevel*
XenUbuntuprecise*
XenUbuntutrusty*
XenUbuntuutopic*
XenUbuntuvivid*
Xen-3.3Ubuntulucid*
Xen-3.3Ubuntuupstream*

References

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