CVE-2015-2666

Severity CVSS v4.0:

Pending analysis

Type:

CWE-119 Buffer Errors

Publication date:

27/05/2015

Last modified:

12/04/2025

Description

Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd.

Impact

Vector 2.0

AV:L/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.90 MEDIUM
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

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

Base Score 2.0

6.90

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	3.9 (including)	3.10.83 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.11 (including)	3.12.40 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.13 (including)	3.14.47 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.15 (including)	3.16.35 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.17 (including)	3.18.19 (excluding)
cpe:2.3:o:fedoraproject:fedora:21:::::::*

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

CVE-2015-2666

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools