CVE-2017-10913

Description

The grant-table feature in Xen through 4.8.x provides false mapping information in certain cases of concurrent unmap calls, which allows backend attackers to obtain sensitive information or gain privileges, aka XSA-218 bug 1.

9.8

CVSS

Severity: Critical

CVSS 3.0 •

CVSS 2.0 •

EPSS 1.20% Top 25%

Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory xen.org

Affected: n/a n/a

References

Link	Tags
http://www.securitytracker.com/id/1038722	vdb entry
https://security.gentoo.org/glsa/201708-03	vendor advisory
http://www.debian.org/security/2017/dsa-3969	vendor advisory
http://www.securityfocus.com/bid/99411	third party advisory vdb entry
https://xenbits.xen.org/xsa/advisory-218.html	vendor advisory mailing list
https://security.gentoo.org/glsa/201710-17	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-10913?: CVE-2017-10913 has been scored as a critical severity vulnerability.
How to fix CVE-2017-10913?: To fix CVE-2017-10913, 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-2017-10913 being actively exploited in the wild?: It is possible that CVE-2017-10913 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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