Vulnerability Monitor

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CVE-2014-1438

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.

Published

2014-01-18T22:55:03.210

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.7 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:N/I:N/A:C

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

3.4

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-264
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel ≤ 3.12.7 Yes
Operating System linux linux_kernel 3.12 Yes
Operating System linux linux_kernel 3.12.1 Yes
Operating System linux linux_kernel 3.12.2 Yes
Operating System linux linux_kernel 3.12.3 Yes
Operating System linux linux_kernel 3.12.4 Yes
Operating System linux linux_kernel 3.12.5 Yes
Operating System linux linux_kernel 3.12.6 Yes
References