CVE-2014-1438 (GCVE-0-2014-1438)

Vulnerability from cvelistv5 – Published: 2014-01-18 22:00 – Updated: 2024-08-06 09:42
VLAI
Summary
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.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2290 records in the last 180 days details
References
URL Tags
http://www.ubuntu.com/usn/USN-2135-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2138-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2113-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-2141-1 vendor-advisoryx_refsource_UBUNTU
https://bugzilla.redhat.com/show_bug.cgi?id=1052914 x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2014/01/14/1 mailing-listx_refsource_MLIST
http://www.ubuntu.com/usn/USN-2136-1 vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/64781 vdb-entryx_refsource_BID
http://www.ubuntu.com/usn/USN-2139-1 vendor-advisoryx_refsource_UBUNTU
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
http://git.kernel.org/?p=linux/kernel/git/torvald… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2134-1 vendor-advisoryx_refsource_UBUNTU
http://www.kernel.org/pub/linux/kernel/v3.x/Chang… x_refsource_CONFIRM
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http://www.ubuntu.com/usn/USN-2117-1 vendor-advisoryx_refsource_UBUNTU
https://github.com/torvalds/linux/commit/26bef131… x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2133-1 vendor-advisoryx_refsource_UBUNTU
http://www.securitytracker.com/id/1029592 vdb-entryx_refsource_SECTRACK
http://lists.fedoraproject.org/pipermail/package-… vendor-advisoryx_refsource_FEDORA
https://lkml.org/lkml/2014/1/9/637 mailing-listx_refsource_MLIST
http://www.halfdog.net/Security/2013/Vm86SyscallT… x_refsource_MISC
Date Public
2014-01-10 00:00
Show details on NVD website
To clipboard 

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                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "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."
          },
          {
            "lang": "es",
            "value": "La funci\u00f3n restore_fpu_checking en arch/x86/include/asm/fpu-internal.h en el kernel Linux anteriores a 3.12.8 en las plataformas AMD K7 y K8 no limpia las excepciones pendientes antes de proceder a una instrucci\u00f3n EMMS, lo cual permite a usuarios locales causar una denegaci\u00f3n de servicio (task kill) o posiblemente obtener privilegios a trav\u00e9s de una aplicaci\u00f3n manipulada."
          }
        ],
        "id": "CVE-2014-1438",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 4.7,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 3.4,
              "impactScore": 6.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2014-01-18T22:55:03.210",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=26bef1318adc1b3a530ecc807ef99346db2aa8b0"
          },
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          {
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            "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-January/126874.html"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.halfdog.net/Security/2013/Vm86SyscallTaskSwitchKernelPanic/"
          },
          {
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            "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.8"
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            "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:038"
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            "url": "http://www.openwall.com/lists/oss-security/2014/01/14/1"
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          {
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            "url": "http://www.ubuntu.com/usn/USN-2113-1"
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            "url": "http://www.ubuntu.com/usn/USN-2134-1"
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            "url": "http://www.ubuntu.com/usn/USN-2135-1"
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1052914"
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            "url": "https://lkml.org/lkml/2014/1/9/637"
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          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=26bef1318adc1b3a530ecc807ef99346db2aa8b0"
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          },
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            "url": "https://lkml.org/lkml/2014/1/9/637"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-264"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:35:57+00:00",
      "cve": "CVE-2014-1438",
      "id": "CVE-2014-1438",
      "initial_release_date": "2014-01-01T00:00:00+00:00",
      "product_status:fixed": "16",
      "product_status:known_not_affected": "32",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: x86: exceptions are not cleared in AMD FXSAVE workaround",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2014/cve-2014-1438.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.