CVE-2017-10918

Description

Xen through 4.8.x does not validate memory allocations during certain P2M operations, which allows guest OS users to obtain privileged host OS access, aka XSA-222.

Category

10.0
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 4.06% Top 15%
Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1038732 vdb entry
https://security.gentoo.org/glsa/201708-03 vendor advisory
http://www.debian.org/security/2017/dsa-3969 vendor advisory
https://security.gentoo.org/glsa/201710-17 vendor advisory
http://www.securityfocus.com/bid/99161 vdb entry third party advisory
https://xenbits.xen.org/xsa/advisory-222.html mailing list third party advisory mitigation

Frequently Asked Questions

What is the severity of CVE-2017-10918?
CVE-2017-10918 has been scored as a critical severity vulnerability.
How to fix CVE-2017-10918?
To fix CVE-2017-10918, 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-2017-10918 being actively exploited in the wild?
It is possible that CVE-2017-10918 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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