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CVE-2018-19965

Published: Dec 8, 2018Updated: Nov 21, 2024 Sources: CVE List NVD BDUNVD-CWE-noinfo
5.6MEDIUM
NVD MITRE
EPSS Score
0.4%
Top 66.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:CC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

NVD-CWE-noinfo

Affected Products

xen
oss-project·GBaka xapi, qemu
xenOn-prem
Cloud & SaaS / virtualization
citrix
commercial·USaka application delivery controller firmware, xenserver, netscaler gateway firmware
xenserverOn-prem
Cloud & SaaS / virtualization
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
The Linux Foundation
oss-project·USaka linuxfoundation.org, linux foundation
XenOn-prem
Cloud & SaaS / virtualization
and 1 more affected products View all →

Exploitability

Official Patch Available
Workaround Available
Is your org exposed to CVE-2018-19965?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://support.citrix.com/article/CTX239432
support.citrix.com
https://xenbits.xen.org/xsa/advisory-279.html
xenbits.xen.org
https://www.debian.org/security/2019/dsa-4369
debian.org
and 7 more references View all →

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