CVE-2019-17346

CVSS V2 High 7.2 CVSS V3 High 8.8
Description
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because of an incompatibility between Process Context Identifiers (PCID) and TLB flushes.
Overview
  • CVE ID
  • CVE-2019-17346
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-10-08T01:15:10
  • Last Modified Date
  • 2023-02-03T20:23:16
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* 1 OR 4.11.2
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.2
  • Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2
  • Impact Score
  • 6
References
Reference URL Reference Tags
https://xenbits.xen.org/xsa/advisory-292.html Vendor Advisory
http://www.openwall.com/lists/oss-security/2019/10/25/5
http://xenbits.xen.org/xsa/advisory-292.html
https://www.debian.org/security/2020/dsa-4602
https://seclists.org/bugtraq/2020/Jan/21
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-17346
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17346
History
Created Old Value New Value Data Type Notes
2022-05-10 17:00:50 Added to TrackCVE
2022-12-04 03:55:00 2019-10-08T01:15Z 2019-10-08T01:15:10 CVE Published Date updated
2022-12-04 03:55:00 2019-10-25T15:15:13 CVE Modified Date updated
2022-12-04 03:55:00 Modified Vulnerability Status updated
2022-12-12 17:09:36 Modified Undergoing Analysis Vulnerability Status updated
2023-02-03 21:09:40 2023-02-03T20:23:16 CVE Modified Date updated
2023-02-03 21:09:40 Undergoing Analysis Analyzed Vulnerability Status updated