CVE-2019-3887 Vulnerability Details

  /     /     /  

CVE-2019-3887 Metadata Quick Info

CVE Published: 09/04/2019 | CVE Updated: 04/08/2024 | CVE Year: 2019
Source: redhat | Vendor: The Linux Foundation | Product: Kernel
Status : PUBLISHED

---

CVE-2019-3887 Description

A flaw was found in the way KVM hypervisor handled x2APIC Machine Specific Rregister (MSR) access with nested(=1) virtualization enabled. In that, L1 guest could access L0\'s APIC register values via L2 guest, when \'virtualize x2APIC mode\' is enabled. A guest could use this flaw to potentially crash the host kernel resulting in DoS issue. Kernel versions from 4.16 and newer are vulnerable to this issue.

Metrics

CVSS Version: 3.1 | Base Score: n/a
Vector: n/a

l➤ Exploitability Metrics:
    Attack Vector (AV)*
    Attack Complexity (AC)*
    Privileges Required (PR)*
    User Interaction (UI)*
    Scope (S)*

l➤ Impact Metrics:
    Confidentiality Impact (C)*
    Integrity Impact (I)*
    Availability Impact (A)*

Weakness Enumeration (CWE)

CWE-ID: CWE-863
CWE Name: CWE-863
Source: The Linux Foundation

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).