CVE-2018-18883 — Vulnetix

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CVE-2018-18883 PUBLISHED

An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.

EPSS 0.17% · 38.4th percentile

Risk Scores

EPSS Score

0.17%

38.4th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	xen	0, 4.9.0-0ubuntu3, 4.9.0-0ubuntu4

Timeline

Nov 1, 2018 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Dec 25, 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

References

https://ubuntu.com/security/CVE-2018-18883 third-party-advisory
https://xenbits.xen.org/xsa/advisory-278.txt third-party-advisory
https://xenbits.xen.org/xsa/advisory-278.html third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2018-18883 third-party-advisory

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