CVE-2014-1666

The dophysdevop function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the 1 PHYSDEVOPpreparemsix and 2 PHYSDEVOPreleasemsix operations, which allows local PV guests to cause a denial of service host or guest malfunction or possibly gain privileges via...

PT-2014-4284

Name of the Vulnerable Software and Affected Versions Xen versions 4.1.5 through 4.1.6.1 Xen versions 4.2.2 through 4.2.3 Xen version 4.3.x Description The issue concerns the do physdev op function, which does not properly restrict access to the PHYSDEVOP prepare msix and PHYSDEVOP release msix...

CVE-2014-1666: Undefined Security Weakness

The dophysdevop function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the 1 PHYSDEVOPpreparemsix and 2 PHYSDEVOPreleasemsix operations, which allows local PV guests to cause a denial of service host or guest malfunction or possibly gain privileges via...

PHYSDEVOP_{prepare,release}_msix exposed to unprivileged guests

ISSUE DESCRIPTION The PHYSDEVOPprepare,releasemsix operations are supposed to be available to privileged guests domain 0 in non-disaggregated setups only, but the necessary privilege check was missing. IMPACT Malicious or misbehaving unprivileged guests can cause the host or other guests to...

DEBIAN-CVE-2013-4375

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

CVE-2013-4375

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

CVE-2013-4375

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

Design/Logic Flaw

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

CVE-2013-4375

CVE-2013-4375 affects the qdisk PV disk backend in qemu-xen used by Xen 4.2.x and 4.3.x before 4.3.1, and in qemu 1.1 and other versions. The vulnerability allows a local HVM guest to cause a denial of service via domain grant reference consumption through unspecified vectors. The issue is tied t...

CVE-2013-4375

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

CVE-2013-4375

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

CVE-2013-4375

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

CVE-2013-4375: Undefined Security Weakness

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service domain grant reference consumption via unspecified vectors...

PT-2014-2779

Name of the Vulnerable Software and Affected Versions Xen versions 4.2.x through 4.3.0 qemu version 1.1 Description The issue allows local HVM guests to cause a denial of service, specifically through the consumption of domain grant references, via unspecified vectors. This affects the qdisk PV...

Code injection

Xen, possibly before 4.0.2, allows local 64-bit PV guests to cause a denial of service host crash by specifying user mode execution without user-mode pagetables...

CVE-2011-1166

CVE-2011-1166 affects Xen (likely prior to 4.0.2) where local 64-bit PV guests can cause a host crash/DoS by executing in user mode without user-mode pagetables. The issue is discussed in OSV and Debian- CVE-2011-1166 descriptions. Root cause details beyond the provided text are not specified. No...

CVE-2011-1166

Xen, possibly before 4.0.2, allows local 64-bit PV guests to cause a denial of service host crash by specifying user mode execution without user-mode pagetables...

CVE-2011-1166: Improper Input Validation

Xen, possibly before 4.0.2, allows local 64-bit PV guests to cause a denial of service host crash by specifying user mode execution without user-mode pagetables...

kernel security and bug fix update

kernel 2.6.18-371.3.1.0.1 - i386: fix MTRR code Zhenzhong Duan orabug 15862649 - oprofile x86, mm: Add getuserpagesfast orabug 14277030 - oprofile export getuserpagesfast function orabug 14277030 - oprofile oprofile, x86: Fix nmi-unsafe callgraph support orabug 14277030 - oprofile oprofile: use...

Guest triggerable AMD CPU erratum may cause host hang

ISSUE DESCRIPTION AMD CPU erratum 793 "Specific Combination of Writes to Write Combined Memory Types and Locked Instructions May Cause Core Hang" describes a situation under which a CPU core may hang. IMPACT A malicious guest administrator can mount a denial of service attack affecting the whole...