Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2017-8106

Severity CVSS v4.0:
Pending analysis
Type:
CWE-476 NULL Pointer Dereference
Publication date:
24/04/2017
Last modified:
20/04/2025

Description

The handle_invept function in arch/x86/kvm/vmx.c in the Linux kernel 3.12 through 3.15 allows privileged KVM guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) via a single-context INVEPT instruction with a NULL EPT pointer.

Impact

Vector 3.x
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 4.90 MEDIUM
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
4.90
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:3.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.12.14:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools