CVE-2011-1898 — Improper Access Control in XEN
Severity
7.4HIGHNVD
EPSS
0.6%
top 30.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 12
Latest updateMay 17
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 vector
AV:A/AC:M/C:C/I:C/A:CExploitability: 4.4 | Impact: 10.0