VDB
CVE-2018-18883
CVE-2018-18883
PUBLISHED
CVSS 8.800000190734863 HIGH
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 0.44% · 35.6th percentile
Risk Scores
CVSS 3.0
8.800000190734863
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score
0.44%
35.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | xen | 4.9.0-0ubuntu4, 4.9.2-0ubuntu1, 4.9.0-0ubuntu3 |
Timeline
- Nov 1, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 28, 2021 EPSS Score
- Dec 30, 2021 EPSS Score
- Mar 3, 2022 EPSS Score
- May 5, 2022 EPSS Score
- Jul 7, 2022 EPSS Score
- Sep 9, 2022 EPSS Score
- Nov 12, 2022 EPSS Score
- Jan 14, 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