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CVE-2018-7542

Date: February 27, 2018

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.

Language: C

Severity Score

Related Resources (7)

http://www.securitytracker.com/id/1040776
https://www.debian.org/security/2018/dsa-4131
https://xenbits.xen.org/xsa/advisory-256.html
https://security-tracker.debian.org/tracker/CVE-2018-7542
https://nvd.nist.gov/vuln/detail/CVE-2018-7542
https://security.gentoo.org/glsa/201810-06
https://www.mend.io/vulnerability-database/CVE-2018-7542

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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