CVE-2014-1438

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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": "2026-06-17T00:04:53.453", "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": 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"http://www.ubuntu.com/usn/USN-2141-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1052914"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/torvalds/linux/commit/26bef1318adc1b3a530ecc807ef99346db2aa8b0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "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"}]}

{"affected_release": [{"advisory": "RHSA-2014:0439", "cpe": "cpe:/a:redhat:enterprise_mrg:2:server:el6", "package": "kernel-rt-0:3.10.33-rt32.33.el6rt", "product_name": "Red Hat Enterprise MRG 2", "release_date": "2014-04-28T00:00:00Z"}], "bugzilla": {"description": "kernel: x86: exceptions are not cleared in AMD FXSAVE workaround", "id": "1052914", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1052914"}, "csaw": false, "cvss": {"cvss_base_score": "4.7", "cvss_scoring_vector": "AV:L/AC:M/Au:N/C:N/I:N/A:C", "status": "verified"}, "details": ["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."], "name": "CVE-2014-1438", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2013-12-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-1438\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-1438"], "statement": "This issue does not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.", "threat_severity": "Moderate"}

{}