CVE-2011-1166

Description

Xen, possibly before 4.0.2, allows local 64-bit PV guests to cause a denial of service (host crash) by specifying user mode execution without user-mode pagetables.

Category

5.5
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.10%
Vendor Advisory redhat.com Vendor Advisory xen.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://wiki.xen.org/wiki/Security_Announcements#XSA-1_Host_crash_due_to_failure_to_correctly_validate_PV_kernel_execution_state. patch vendor advisory
http://rhn.redhat.com/errata/RHSA-2011-0833.html vendor advisory
http://downloads.avaya.com/css/P8/documents/100145416

Frequently Asked Questions

What is the severity of CVE-2011-1166?
CVE-2011-1166 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1166?
To fix CVE-2011-1166, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-1166 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-1166 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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