CVE-2018-7542

CVSS V2 Medium 4.9 CVSS V3 Medium 6.5
Description
An issue was discovered in Xen 4.8.x through 4.10.x allowing x86 PVH guest OS users to cause a denial of service (NULL pointer dereference and hypervisor crash) by leveraging the mishandling of configurations that lack a Local APIC.
Overview
  • CVE ID
  • CVE-2018-7542
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-02-27T19:29:00
  • Last Modified Date
  • 2018-10-31T10:32:29
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* 1 OR 4.8.0 4.10.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2
  • Impact Score
  • 4
References
Reference URL Reference Tags
https://xenbits.xen.org/xsa/advisory-256.html Vendor Advisory
https://www.debian.org/security/2018/dsa-4131 Third Party Advisory
http://www.securitytracker.com/id/1040776
https://security.gentoo.org/glsa/201810-06
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-7542
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7542
History
Created Old Value New Value Data Type Notes
2022-05-10 17:54:32 Added to TrackCVE
2022-12-03 02:49:55 2018-02-27T19:29Z 2018-02-27T19:29:00 CVE Published Date updated
2022-12-03 02:49:55 2018-10-31T10:32:29 CVE Modified Date updated
2022-12-03 02:49:55 Modified Vulnerability Status updated