CVE-2011-3131: Medium severity xen xapi vulnerability
Published Dec 13, 2012
·Updated
Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock.
Affected Software
1 affected component
XEN Xen<=4.1.1
Event History
Dec 13, 2012
CVE Published
via MITRE·11:00 AM
Data Sourced
via MITRE·11:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2011-3131?
CVE-2011-3131 is classified as a denial of service vulnerability that can lead to CPU consumption and host system hang.
2
How do I fix CVE-2011-3131?
To mitigate CVE-2011-3131, upgrade to Xen version 4.1.2 or later.
3
What type of systems are affected by CVE-2011-3131?
CVE-2011-3131 affects local guest OS kernels running on Xen 4.1.1 and earlier with control of a PCI[E] device.
4
Can CVE-2011-3131 be exploited remotely?
No, CVE-2011-3131 requires local access to the guest OS to exploit the vulnerability.
5
What impact does CVE-2011-3131 have on a Xen host?
Exploitation of CVE-2011-3131 can cause a denial of service leading to excessive CPU utilization and potential host hang.