Unrated severityNVD Advisory· Published Oct 2, 2014· Updated Jun 17, 2026
CVE-2014-7156
CVE-2014-7156
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
21cpe:2.3:o:xen:xen:3.3.0:*:*:*:*:*:*:*+ 19 more
- cpe:2.3:o:xen:xen:3.3.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:3.3.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.6.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.4.0:rc1:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.4.1:-:*:*:*:*:*:*
- (no CPE)range: 3.3.x - 4.4.x
Patches
Vulnerability mechanics
References
13- xenbits.xen.org/xsa/advisory-106.htmlnvdPatchVendor Advisory
- lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.htmlnvd
- secunia.com/advisories/61500nvd
- secunia.com/advisories/61858nvd
- secunia.com/advisories/61890nvd
- security.gentoo.org/glsa/glsa-201412-42.xmlnvd
- support.citrix.com/article/CTX200218nvd
- www.debian.org/security/2014/dsa-3041nvd
- www.securityfocus.com/bid/70062nvd
- www.securitytracker.com/id/1030889nvd
News mentions
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