CVE-2013-2212

The vmxsetucmode function in Xen 3.3 through 4.3, when disabling caches, allows local HVM guests with access to memory mapped I/O regions to cause a denial of service CPU consumption and possibly hypervisor or guest kernel panic via a crafted GFN range...

CVE-2013-2212: Improper Restriction of Operations within the Bounds of a Memory Buffer

The vmxsetucmode function in Xen 3.3 through 4.3, when disabling caches, allows local HVM guests with access to memory mapped I/O regions to cause a denial of service CPU consumption and possibly hypervisor or guest kernel panic via a crafted GFN range...

PT-2013-3601

Name of the Vulnerable Software and Affected Versions Xen versions 3.3 through 4.3 Description The issue allows local HVM guests with access to memory mapped I/O regions to cause a denial of service. This can result in CPU consumption and possibly hypervisor or guest kernel panic via a crafted GF...

Oracle Linux 5 : kernel (ELSA-2011-0927)

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2011-0927 advisory. - Revert: xen hvm: svm support cleanups Andrew Jones 703715 702657 CVE-2011-1780 - Revert: xen hvm: secure svmcraccess Andrew Jones 703715 702657...

The United States VPS management system SolusVM 1.13.03 SQL injection vulnerability with exp-a vulnerability warning-the black bar safety net

SolusVM software is a powerful graphical user interface for VPS management system that can simultaneously manage three kinds of Virtualization Technology: OpenVZ ,Xen Paravirtualization and Xen HVM in. The use of this software open us VPS customer, will feel he is very safe and convenient. Poor...

libxl allows guest write access to sensitive console related xenstore keys

ISSUE DESCRIPTION The libxenlight libxl toolstack library does not correctly set permissions on xenstore keys relating to paravirtualised and emulated serial console devices. This could allow a malicious guest administrator to change values in xenstore which the host later relies on being...

SuSE 11.2 Security Update : Xen (SAT Patch Number 7492)

XEN has been updated to fix various bugs and security issues : - XSA 36 To avoid an erratum in early hardware, the Xen AMD IOMMU code by default choose to use a single interrupt remapping table for the whole system. This sharing implied that any guest with a passed through PCI device that is bus...

CVE-2013-0151

The dohvmop function in xen/arch/x86/hvm/hvm.c in Xen 4.2.x on the x8632 platform does not prevent HVMPARAMNESTEDHVM aka nested virtualization operations, which allows guest OS users to cause a denial of service long-duration page mappings and host OS crash by leveraging administrative access to ...

CVE-2013-0151

The dohvmop function in xen/arch/x86/hvm/hvm.c in Xen 4.2.x on the x8632 platform does not prevent HVMPARAMNESTEDHVM aka nested virtualization operations, which allows guest OS users to cause a denial of service long-duration page mappings and host OS crash by leveraging administrative access to ...

PT-2013-2134

Name of the Vulnerable Software and Affected Versions Xen version 4.2.x Description The issue allows guest OS users to cause a denial of service by leveraging administrative access to an HVM guest in a domain with a large number of VCPUs, resulting in long-duration page mappings and host OS crash...

CVE-2013-0152

Memory leak in Xen 4.2 and unstable allows local HVM guests to cause a denial of service host memory consumption by performing nested virtualization in a way that triggers errors that are not properly handled...

CVE-2013-0152

Memory leak in Xen 4.2 and unstable allows local HVM guests to cause a denial of service host memory consumption by performing nested virtualization in a way that triggers errors that are not properly handled...

CVE-2013-0152

Memory leak in Xen 4.2 and unstable allows local HVM guests to cause a denial of service host memory consumption by performing nested virtualization in a way that triggers errors that are not properly handled...

CVE-2013-0152

Memory leak in Xen 4.2 and unstable allows local HVM guests to cause a denial of service host memory consumption by performing nested virtualization in a way that triggers errors that are not properly handled...

CVE-2013-0152: Undefined Security Weakness

Memory leak in Xen 4.2 and unstable allows local HVM guests to cause a denial of service host memory consumption by performing nested virtualization in a way that triggers errors that are not properly handled...

PT-2013-2135

Name of the Vulnerable Software and Affected Versions Xen versions 4.2 Description A memory leak issue allows local HVM guests to cause a denial of service by consuming host memory through nested virtualization errors that are not properly handled. Recommendations For Xen version 4.2, at the...

SuSE 11.2 Security Update : Xen and libvirt (SAT Patch Number 6640)

Xen was updated to fix several security issues : - A xen HVM guest destroy p2m teardown host DoS vulnerability was fixed, where malicious guest could lock/crash the host. CVE-2012-3433 - A xen HVM guest user mode MMIO emulation DoS was fixed. CVE-2012-3432 - The xen pv bootloader doesn't check th...

Nested HVM exposes host to being driven out of memory by guest

ISSUE DESCRIPTION Guests are currently permitted to enable nested virtualization on themselves. Missing error handling cleanup in the handling code makes it possible for a guest, particularly a multi-vCPU one, to repeatedly invoke this operation, thus causing a leak of - over time - unbounded...

nested virtualization on 32-bit exposes host crash

ISSUE DESCRIPTION When performing nested virtualisation Xen would incorrectly map guest pages for extended periods using an interface which is only intended for transient mappings. In some configurations there are a limited number of slots available for these transient mappings and exhausting the...

qemu (e1000 device driver): Buffer overflow when processing large packets

SUMMARY AND SOURCES OF INFORMATION An issue in qemu has been disclosed which we believe affects some users of Xen. The Qemu project has not itself issued an advisory. More information may be available in the advisories published by the distros: https://bugzilla.redhat.com/showbug.cgi?id=889301...