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Fencer Intel
high 7.4

CVE-2011-1898 json

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 g…

published 2011-08-12 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1896

cvss
7.4
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

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."

Patch / fix

  • xen Debian 14, Debian 13, Debian 12 4.1.1-1

debian advisories DEBIAN-CVE-2011-1898

  • kernel RHEL 5 2.6.18-274.12.1.el5
  • kernel-PAE RHEL 5 2.6.18-274.12.1.el5
  • kernel-xen RHEL 5 2.6.18-274.12.1.el5
  • kernel-kdump RHEL 5 2.6.18-274.12.1.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-274.12.1.el5
  • kernel RHEL 6 2.6.32-131.12.1.el6
  • perf RHEL 6 2.6.32-131.12.1.el6
  • kernel-kdump RHEL 6 2.6.32-131.12.1.el6

red hat advisories RHSA-2012:0358RHSA-2011:1479RHSA-2011:1189

  • xen openSUSE Tumbleweed 4.7.0_12-1.3

opensuse advisories openSUSE-SU-2024:10196-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-1898 updated cvss 7.4

virt: VT-d (PCI passthrough) MSI trap injection

  • Red Hat Enterprise Linux 5 kvm, kernel-xen
    affected: no fix available
  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-274.12.1.el5, kernel-PAE 2.6.18-274.12.1.el5, kernel-xen 2.6.18-274.12.1.el5, kernel-kdump 2.6.18-274.12.1.el5, kernel-debuginfo-common 2.6.18-274.12.1.el5 Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-274.12.1.el5, kernel-PAE 2.6.18-274.12.1.el5, kernel-xen 2.6.18-274.12.1.el5, kernel-debuginfo-common 2.6.18-274.12.1.el5
    fixed: vendor fix RHSA-2011:1479
  • Red Hat Enterprise Linux EUS (v. 5.6 server) kernel 2.6.18-238.35.1.el5, kernel-PAE 2.6.18-238.35.1.el5, kernel-xen 2.6.18-238.35.1.el5, kernel-kdump 2.6.18-238.35.1.el5, kernel-debuginfo-common 2.6.18-238.35.1.el5
    fixed: vendor fix RHSA-2012:0358
  • Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-131.12.1.el6, kernel 2.6.32-131.12.1.el6, kernel-kdump 2.6.32-131.12.1.el6, kernel-firmware 2.6.32-131.12.1.el6, kernel-bootwrapper 2.6.32-131.12.1.el6, kernel-debuginfo-common-i686 2.6.32-131.12.1.el6, +3 more
    fixed: vendor fix RHSA-2011:1189

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • invisiblethingslab.com http://www.invisiblethingslab.com/resources/2011/Software%20Attacks%20on%20Intel%20VT-d.pdf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.4 AV:A/AC:M/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.