CVE-2018-19965

Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 08 Dec 2018, 04:00
Last modified:05 Aug 2024, 11:51

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.6 MEDIUM
v3.0 (nvd)
EPSS Score
0.18% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

08 Dec 2018, 04:00
Published
Vulnerability first disclosed
05 Aug 2024, 11:51
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.0•MEDIUM•Score: 5.6CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4.7AV:L/AC:M/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.18%• Percentile: 39%

Affected Systems

  • citrix•xenserver

    7.0 | 7.1:cu1 | 7.5 | 7.6

  • debian•debian_linux

    9.0

  • xen•xen

    ≤ 4.11.1

References (6)