CVE-2014-1438

Medium

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.

Package Linux Kernel
Published 2014-01-18
Last modified 2026-04-29
CVSS version 2.0
Patch available
Awaiting data

CVSS 2.0 score

4.7

out of 10
Medium
Attack Vector
Local
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
None
Integrity
None
Availability
Vector string
AV:L/AC:M/Au:N/C:N/I:N/A:C

Weakness type

CWE-264

CVE-2014-1438 is a Permissions, Privileges and Access Control vulnerability

What is Permissions, Privileges and Access Control?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2014-1438 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2014-1438?

    CVE-2014-1438 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as a Permissions, Privileges and Access Control flaw (CWE-264) . CVE-2014-1438 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2014-1438?

    CVE-2014-1438 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:N/I:N/A:C .

  • Is there a patch available for CVE-2014-1438?

    No patch is currently available for CVE-2014-1438. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2014-1438 actively exploited?

    No — CVE-2014-1438 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

  • What is Permissions, Privileges and Access Control (CWE-264)?

    Weaknesses in this category are related to the management of permissions, privileges, and access controls. View CWE-264 on MITRE CWE →

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