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CVE-2011-1898

Status Candidate

Overview

Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to generate MSI interrupts by writing to the interrupt injection registers."

Related Files

Red Hat Security Advisory 2012-0358-01
Posted Mar 6, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0358-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Using PCI passthrough without interrupt remapping support allowed Xen hypervisor guests to generate MSI interrupts and thus potentially inject traps. A privileged guest user could use this flaw to crash the host or possibly escalate their privileges on the host. The fix for this issue can prevent PCI passthrough working and guests starting.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2011-1898, CVE-2011-2699, CVE-2011-4127, CVE-2011-4330, CVE-2012-0028
MD5 | 4fe6c3be33d73a55de8b96cc78e40834
Red Hat Security Advisory 2011-1479-01
Posted Nov 30, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1479-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Using PCI passthrough without interrupt remapping support allowed Xen hypervisor guests to generate MSI interrupts and thus potentially inject traps. A privileged guest user could use this flaw to crash the host or possibly escalate their privileges on the host. The fix for this issue can prevent PCI passthrough working and guests starting. Various other issues were also addressed.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2011-1162, CVE-2011-1898, CVE-2011-2203, CVE-2011-2494, CVE-2011-3363, CVE-2011-4110
MD5 | d02c2d86522890a0fceb829fd283f7cc
Debian Security Advisory 2337-1
Posted Nov 7, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2337-1 - Several vulnerabilities were discovered in the Xen virtual machine hypervisor.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2011-1166, CVE-2011-1583, CVE-2011-1898, CVE-2011-3262
MD5 | b0c0649e829a797aea565e6ad9d459cf
Red Hat Security Advisory 2011-1189-01
Posted Aug 24, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1189-01 - Updated kernel packages that fix several security issues, various bugs, and add two enhancements are now available for Red Hat Enterprise Linux 6. Using PCI passthrough without interrupt remapping support allowed KVM guests to generate MSI interrupts and thus potentially inject traps. A privileged guest user could use this flaw to crash the host or possibly escalate their privileges on the host. The fix for this issue can prevent PCI passthrough working and guests starting. Flaw in the client-side NLM implementation could allow a local, unprivileged user to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2011-1182, CVE-2011-1576, CVE-2011-1593, CVE-2011-1776, CVE-2011-1898, CVE-2011-2183, CVE-2011-2213, CVE-2011-2491, CVE-2011-2492, CVE-2011-2495, CVE-2011-2497, CVE-2011-2517, CVE-2011-2689, CVE-2011-2695
MD5 | fa76aff8284089d6f74b1b515f6f37ea
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