CVE-2011-1898

Advisory lineage Upstream: 0 Downstream: 6
Modified
Published: 12 Aug 2011, 18:00
Last modified:06 Aug 2024, 22:46

Vulnerability Summary

Overall Risk (default)
medium
40/100
CVSS Score
7.4 HIGH
v2.0 (nvd)
EPSS Score
0.62% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

12 Aug 2011, 18:00
Published
Vulnerability first disclosed
06 Aug 2024, 22:46
Last Modified
Vulnerability information updated

Description

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."

CVSS Metrics

  • v2.0•HIGH•Score: 7.4AV:A/AC:M/Au:S/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 0.62%• Percentile: 70%

Techniques & Countermeasures

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

    Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.

Affected Systems

  • citrix•xen

    4.0.0 | 4.0.1 | 4.1.0

References (8)