CVE-2013-1935

Description

A certain Red Hat patch to the KVM subsystem in the kernel package before 2.6.32-358.11.1.el6 on Red Hat Enterprise Linux (RHEL) 6 does not properly implement the PV EOI feature, which allows guest OS users to cause a denial of service (host OS crash) by leveraging a time window during which interrupts are disabled but copy_to_user function calls are possible.

Category

5.7
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.23%
Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=949981
https://rhn.redhat.com/errata/RHSA-2013-0907.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2013-0911.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-1935?
CVE-2013-1935 has been scored as a medium severity vulnerability.
How to fix CVE-2013-1935?
To fix CVE-2013-1935, 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-2013-1935 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-1935 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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