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CVE-2018-19965
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
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..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 4.7/10
- Exploit Score
- 3.4/10
- Access Vector
- Local
- Access Complexity
- Medium
- Authentication Required
- None
- Impact Score
- 6.9/10
- Confidentiality Impact
- None
- Availability Impact
- Complete
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 5.6/10
- Exploit Score
- 1.1/10
- Access Vector
- Local
- Access Complexity
- High
- Privileges Required
- Low
- Impact Score
- 4/10
- Confidentiality Impact
- None
- Availability Impact
- High
- Integrity Impact
- None
- Scope
- Changed
- User Interaction
- None
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:citrix:xenserver:7.5:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:citrix:xenserver:7.6:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:citrix:xenserver:7.1:cu1:*:*:ltsr:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- https://xenbits.xen.org/xsa/advisory-279.html
- http://www.securityfocus.com/bid/106182
- https://support.citrix.com/article/CTX239432
- https://www.debian.org/security/2019/dsa-4369
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00072.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org