Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2018-19965

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.

Published

2018-12-08T04:29:00.420

Last Modified

2024-11-21T03:58:54.133

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.6 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:N/I:N/A:C

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

6.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	xen	xen	≤ 4.11.1	Yes
Application	citrix	xenserver	7.0	Yes
Application	citrix	xenserver	7.1	Yes
Application	citrix	xenserver	7.5	Yes
Application	citrix	xenserver	7.6	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html ([email protected])
http://www.securityfocus.com/bid/106182 Third Party Advisory, VDB Entry ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/ ([email protected])
https://support.citrix.com/article/CTX239432 Patch, Third Party Advisory ([email protected])
https://www.debian.org/security/2019/dsa-4369 Third Party Advisory ([email protected])
https://xenbits.xen.org/xsa/advisory-279.html Mitigation, Patch, Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/106182 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXC6BME7SXJI2ZIATNXCAH7RGPI4UKTT/ (af854a3a-2127-422b-91ae-364da2661108)
https://support.citrix.com/article/CTX239432 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2019/dsa-4369 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://xenbits.xen.org/xsa/advisory-279.html Mitigation, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)