Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2014-1438

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
18/01/2014
Last modified:
11/04/2025

Description

The restore_fpu_checking function in arch/x86/include/asm/fpu-internal.h in the Linux kernel before 3.12.8 on the AMD K7 and K8 platforms does not clear pending exceptions before proceeding to an EMMS instruction, which allows local users to cause a denial of service (task kill) or possibly gain privileges via a crafted application.

Impact

Vector 2.0
AV:L/AC:M/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 4.70 MEDIUM
Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C

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

Base Score 2.0
4.70
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 3.12.7 (including)
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:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools