Unrated severityNVD Advisory· Published Oct 30, 2015· Updated Jun 17, 2026
CVE-2015-7813
CVE-2015-7813
Description
Xen 4.4.x, 4.5.x, and 4.6.x does not limit the number of printk console messages when reporting unimplemented hypercalls, which allows local guests to cause a denial of service via a sequence of (1) HYPERVISOR_physdev_op hypercalls, which are not properly handled in the do_physdev_op function in arch/arm/physdev.c, or (2) HYPERVISOR_hvm_op hypercalls, which are not properly handled in the do_hvm_op function in arch/arm/hvm.c.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*+ 6 more
- 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:-:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*
- (no CPE)range: 4.4.x, 4.5.x, 4.6.x
Patches
Vulnerability mechanics
References
7- xenbits.xen.org/xsa/advisory-146.htmlnvdVendor Advisory
- lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.htmlnvd
- www.debian.org/security/2015/dsa-3414nvd
- www.securitytracker.com/id/1034029nvd
- security.gentoo.org/glsa/201604-03nvd
News mentions
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