CVE-2019-19602

{"id": "CVE-2019-19602", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.4, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 7.8, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 1.8}]}, "published": "2019-12-05T14:15:09.257", "references": [{"url": "https://bugzilla.kernel.org/show_bug.cgi?id=205663", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59c4bd853abcea95eccc167a7d7fd5f1a5f47b98", "tags": ["Exploit", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/golang/go/issues/35777#issuecomment-561935388", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/torvalds/linux/commit/59c4bd853abcea95eccc167a7d7fd5f1a5f47b98", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://security.netapp.com/advisory/ntap-20200103-0001/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://usn.ubuntu.com/4284-1/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc."}, {"lang": "es", "value": "La funci\u00f3n fpregs_state_valid en el archivo arch/x86/include/asm/fpu/internal.h en el kernel de Linux versiones anteriores a 5.4.2, cuando es usado GCC versi\u00f3n 9, permite a atacantes dependiendo del contexto causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) o posiblemente tener otros impactos no especificados debido a un almacenamiento en cach\u00e9 incorrecto de fpu_fpregs_owner_ctx, como es demostrado por el manejo inapropiado de la preferencia no cooperativa basada en se\u00f1al en Go versiones 1.14 preliminares a amd64, tambi\u00e9n se conoce como CID-59c4 anywhere53abc."}], "lastModified": "2020-08-24T17:37:01.140", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EDA2DEC6-C9B1-4CBB-99ED-EF1EB2832A99", "versionEndExcluding": "5.4.2"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}