CVE-2018-19965 — Vulnetix

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CVE-2018-19965 PUBLISHED

An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation.

EPSS 0.18% · 39.4th percentile

Risk Scores

EPSS Score

0.18%

39.4th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:16.04:LTS	xen	0, 4.5.1-0ubuntu1, 4.5.1-0ubuntu2
Ubuntu:18.04:LTS	xen	0, 4.9.0-0ubuntu3, 4.9.0-0ubuntu4

Timeline

Dec 8, 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 4, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Nov 1, 2022 EPSS Score
Jan 2, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2018-19965 third-party-advisory
https://xenbits.xen.org/xsa/advisory-279.txt third-party-advisory
https://xenbits.xen.org/xsa/advisory-279.html third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2018-19965 third-party-advisory

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