Arbitrary Code Execution

KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the user-space component for running virtual machines using KVM. Multiple buffer overflow, input validation, and out-of-bounds write flaws were found in the wa...

Arbitrary Code Execution

KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the user-space component for running virtual machines using KVM. Multiple buffer overflow, input validation, and out-of-bounds write flaws were found in the wa...

Overcoming OpenStack Obstacles for vCDN at the Edge

Akamai and Wind River have collaborated to provide a validated, joint solution for virtual CDN services delivered with the reliability, scalability, and edge-optimized footprint that are required for cost-effective deployments in telecom networks. As the competition for viewers continues to heat...

How to Use SR-IOV Feature in XenServer

This article describes following items. How to configure SR-IOV Network How to create SR-IOV VLAN network How to assign SR-IOV Network to a VM How to destroy SR-IOV Network Additional steps for NICs that use a legacy driver...

How to troubleshoot common SR-IOV related issues

This article explains how to troubleshoot common SR-IOV Network related issues...

Design/Logic Flaw

On multiple SR-IOV cars it is possible for VF's assigned to guests to send ethernet flow control pause frames via the PF. This includes Linux kernel ixgbe driver before commit f079fa005aae08ee0e1bc32699874ff4f02e11c1, the Linux Kernel i40e/i40evf driver before...

CVE-2015-1142857

On multiple SR-IOV cars it is possible for VF's assigned to guests to send ethernet flow control pause frames via the PF. This includes Linux kernel ixgbe driver before commit f079fa005aae08ee0e1bc32699874ff4f02e11c1, the Linux Kernel i40e/i40evf driver before...

CVE-2015-1142857

On multiple SR-IOV cars it is possible for VF's assigned to guests to send ethernet flow control pause frames via the PF. This includes Linux kernel ixgbe driver before commit f079fa005aae08ee0e1bc32699874ff4f02e11c1, the Linux Kernel i40e/i40evf driver before...

CVE-2015-1142857

CVE-2015-1142857 describes a network-virtualization flaw where VFs assigned to guests can cause ethernet flow-control pause frames to be sent via the PF on SR-IOV NICs. The vulnerability affects multiple drivers and firmware families: Linux ixgbe (before commit f079fa005aae08ee0e1bc32699874ff4f02...

CVE-2015-1142857: Undefined Security Weakness

On multiple SR-IOV cars it is possible for VF's assigned to guests to send ethernet flow control pause frames via the PF. This includes Linux kernel ixgbe driver before commit f079fa005aae08ee0e1bc32699874ff4f02e11c1, the Linux Kernel i40e/i40evf driver before...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Updated kernel packages that fix three security issues, several bugs, and one enhancement are now available for Red Hat Enterprise Linux 7.1 Extended Update Support. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base...

How to Disable SR-IOV on Emulex CNA\HBA on HP Hosts Running XenServer 6.5

To Disable SR-IOV on Emulex CNA\HBA...

Potential Vulnerability with Intel® LAN Products with SR-IOV

Summary: A potential issue impacting Intel® LAN products with SR-IOV capability is expected to be publicly disclosed by security researchers at an industry conference on August 13, 2015. Description: In Intel® LAN products with SR-IOV capability, the potential exists where, under specific...

Unmediated PCI command register access in qemu

ISSUE DESCRIPTION HVM guests are currently permitted to modify the memory and I/O decode bits in the PCI command register of devices passed through to them. Unless the device is an SR-IOV virtual function, after disabling one or both of these bits subsequent accesses to the MMIO or I/O port range...

Non-maskable interrupts triggerable by guests

ISSUE DESCRIPTION Guests are currently permitted to modify all of the writable bits in the PCI command register of devices passed through to them. This in particular allows them to disable memory and I/O decoding on the device unless the device is an SR-IOV virtual function, in which case...

openSUSE Security Update : xen (openSUSE-2015-129)

The XEN virtualization was updated to fix bugs and security issues : Security issues fixed: CVE-2015-0361: XSA-116: xen: xen crash due to use after free on hvm guest teardown CVE-2014-9065, CVE-2014-9066: XSA-114: xen: p2m lock starvation CVE-2014-9030: XSA-113: Guest effectable page reference le...

qemu security update

CentOS Errata and Security Advisory CESA-2014:0743 Updated qemu-kvm packages that fix multiple security issues and two bugs are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having Moderate security impact. Common Vulnerability Scoring...

CentOS 6 : ibacm / ibsim / ibutils / infiniband-diags / infinipath-psm / libibmad / libibumad / etc (CESA-2013:0509)

Updated RDMA packages that fix multiple security issues, various bugs, and add an enhancement are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having low security impact. Common Vulnerability Scoring System CVSS base scores, which give...

Scientific Linux Security Update : rdma on SL6.x i386/x86_64 (20130221)

A denial of service flaw was found in the way ibacm managed reference counts for multicast connections. An attacker could send specially crafted multicast packets that would cause the ibacm daemon to crash. CVE-2012-4517 It was found that the ibacm daemon created some files with world-writable...

Low: Red Hat Security Advisory: rdma security, bug fix and enhancement update

Updated RDMA packages that fix multiple security issues, various bugs, and add an enhancement are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having low security impact. Common Vulnerability Scoring System CVSS base scores, which give...