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Status published
Medium
CVE-2018-19965
An issue was discovered in Xen through 4.11.x allowing 64-bit...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://support.citrix.com/article/CTX239432
- https://xenbits.xen.org/xsa/advisory-279.html
- https://www.debian.org/security/2019/dsa-4369
- http://www.securityfocus.com/bid/106182
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
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Affected Vendor
Affected Software
xen, xenserver, debian linux
Vulnerable Versions:
0, 7.0, 7.1, 7.5, 7.6, 9.0
Timeline
Official Publish:
December 8th, 2018
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.