CVE-2011-1898

Exp

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."

Published: 2011-08-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-1898 is rated High Exploit Risk (63.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.85%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-1898

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-1898

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.62% 0.85% +0.23%
2 2025-03-30 0.35% 0.62% +0.27%
3 2025-03-29 — 0.35% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1898

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.4 2.0 HIGH
AV:A/AC:M/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 4.4 10.0 [email protected]

Weakness enumeration for CVE-2011-1898

OS Trackers for CVE-2011-1898

vendor priority summary link
debian not yet assigned CVE-2011-1898 not yet assigned priority: Debian including 1 source packages (xen), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2011-1898
redhat high — https://access.redhat.com/security/cve/CVE-2011-1898
suse medium CVE-2011-1898 severity moderate: SUSE including 92 source package names (vm-install-0.4.31-0.3.5, xen-4.0.2_21511_02-0.7.1, …), 121 product×package rows across 28 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (28 product lines)): Fixed 121. https://www.suse.com/security/cve/CVE-2011-1898/
ubuntu medium CVE-2011-1898 medium priority: Ubuntu including 4 source packages (xen, xen-3.1, xen-3.2, xen-3.3), 20 status rows across 5 suites (hardy, lucid, maverick, natty, upstream): DNE 11, not-affected 4, needs-triage 3, ignored 1, released 1. https://ubuntu.com/security/CVE-2011-1898

Affected software / configurations for CVE-2011-1898

Vendor Product Version Raw CPE
citrix xen 4.0.0 cpe:2.3:a:citrix:xen:4.0.0:*:*:*:*:*:*:*
citrix xen 4.0.1 cpe:2.3:a:citrix:xen:4.0.1:*:*:*:*:*:*:*
citrix xen 4.1.0 cpe:2.3:a:citrix:xen:4.1.0:*:*:*:*:*:*:*

References for CVE-2011-1898

cvelogic Threat Intelligence