CVE-2017-10920 — Vulnetix

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CVE-2017-10920 PUBLISHED

The grant-table feature in Xen through 4.8.x mishandles a GNTMAP_device_map and GNTMAP_host_map mapping, when followed by only a GNTMAP_host_map unmapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 1.

EPSS 1.13% · 78.2th percentile

Risk Scores

EPSS Score

1.13%

78.2th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:16.04:LTS	xen	0, 4.5.1-0ubuntu1, 4.5.1-0ubuntu2
Ubuntu:14.04:LTS	xen	4.4.1-0ubuntu0.14.04.1, 4.4.1-0ubuntu0.14.04.2, 4.4.1-0ubuntu0.14.04.3

Timeline

Jul 5, 2017 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Nov 1, 2022 EPSS Score
Jan 2, 2023 EPSS Score
Mar 5, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2017-10920 third-party-advisory
https://xenbits.xen.org/xsa/advisory-224.html third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2017-10920 third-party-advisory

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