CVE-2015-8615

Description

The hvm_set_callback_via function in arch/x86/hvm/irq.c in Xen 4.6 does not limit the number of printk console messages when logging the new callback method, which allows local HVM guest OS users to cause a denial of service via a large number of changes to the callback method (HVM_PARAM_CALLBACK_IRQ).

Category

5.0
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.34%
Vendor Advisory xen.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://xenbits.xen.org/xsa/advisory-169.html vendor advisory
http://www.securityfocus.com/bid/79644 vdb entry
http://www.securitytracker.com/id/1034512 vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-8615?
CVE-2015-8615 has been scored as a medium severity vulnerability.
How to fix CVE-2015-8615?
To fix CVE-2015-8615, 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-2015-8615 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-8615 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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