2 lines
8.1 KiB
JSON
2 lines
8.1 KiB
JSON
{"affected":[{"affectedData":[{"product":"Kernel","vendor":"The Linux Foundation","versions":[{"status":"affected","version":"from 4.16"}]}],"source":"secalert@redhat.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"70C736CC-2D30-4710-A0AE-3A146DF7C1D1","versionStartIncluding":"4.16","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*","matchCriteriaId":"D100F7CE-FC64-4CC6-852A-6136D72DA419","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","matchCriteriaId":"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D","vulnerable":true},{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*","matchCriteriaId":"07C312A0-CD2C-4B9C-B064-6409B25C278F","vulnerable":true},{"criteria":"cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*","matchCriteriaId":"CD783B0C-9246-47D9-A937-6144FE8BFF0F","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*","matchCriteriaId":"F4CFF558-3C47-480D-A2F0-BABF26042943","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*","matchCriteriaId":"92BC9265-6959-4D37-BE5E-8C45E98992F8","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*","matchCriteriaId":"831F0F47-3565-4763-B16F-C87B1FF2035E","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*","matchCriteriaId":"0E3F09B5-569F-4C58-9FCA-3C0953D107B5","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_real_time:8:*:*:*:*:*:*:*","matchCriteriaId":"CBF9BCF3-187F-410A-96CA-9C47D3ED6924","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:8:*:*:*:*:*:*:*","matchCriteriaId":"E5CB3640-F55B-4127-875A-2F52D873D179","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.2:*:*:*:*:*:*:*","matchCriteriaId":"77C61DDC-81F3-4E2D-9CAA-17A256C85443","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.4:*:*:*:*:*:*:*","matchCriteriaId":"B6B0DA79-DF12-4418-B075-F048C9E2979A","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.2:*:*:*:*:*:*:*","matchCriteriaId":"B92409A9-0D6B-4B7E-8847-1B63837D201F","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.4:*:*:*:*:*:*:*","matchCriteriaId":"C5C5860E-9FEB-4259-92FD-A85911E2F99E","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*","matchCriteriaId":"6897676D-53F9-45B3-B27F-7FF9A4C58D33","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*","matchCriteriaId":"E28F226A-CBC7-4A32-BE58-398FA5B42481","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*","matchCriteriaId":"B09ACF2D-D83F-4A86-8185-9569605D8EE1","vulnerable":true},{"criteria":"cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*","matchCriteriaId":"AC10D919-57FD-4725-B8D2-39ECB476902F","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A flaw was found in the way KVM hypervisor handled x2APIC Machine Specific Rregister (MSR) access with nested(=1) virtualization enabled. In that, L1 guest could access L0's APIC register values via L2 guest, when 'virtualize x2APIC mode' is enabled. A guest could use this flaw to potentially crash the host kernel resulting in DoS issue. Kernel versions from 4.16 and newer are vulnerable to this issue."},{"lang":"es","value":"Se encontró un error en la forma en que el hipervisor KVM manejaba el acceso a x2APIC Machine Specific Rregister (MSR) con la virtualización anidada (=1) habilitada. En este caso, el invitado L1 podría acceder a los valores de registro APIC de L0 a través del invitado L2, cuando `virtualize x2APIC mode' está habilitado. Un invitado podría utilizar este fallo para bloquear el núcleo del host, lo que provocaría un problema de denegación de servicio. El kernel, versión 4.16 y posteriores son vulnerables a este problema."}],"id":"CVE-2019-3887","lastModified":"2026-06-17T02:35:48.630","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}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.7,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:H","version":"3.0"},"exploitabilityScore":0.8,"impactScore":5.3,"source":"secalert@redhat.com","type":"Secondary"}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.6,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":1.1,"impactScore":4.0,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2019-04-09T16:29:01.990","references":[{"source":"secalert@redhat.com","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securityfocus.com/bid/107850"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://access.redhat.com/errata/RHSA-2019:2703"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://access.redhat.com/errata/RHSA-2019:2741"},{"source":"secalert@redhat.com","tags":["Issue Tracking","Patch","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3887"},{"source":"secalert@redhat.com","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IWPOIII2L73HV5PGXSGMRMKQIK47UIYE/"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://usn.ubuntu.com/3979-1/"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://usn.ubuntu.com/3980-1/"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://usn.ubuntu.com/3980-2/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securityfocus.com/bid/107850"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://access.redhat.com/errata/RHSA-2019:2703"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://access.redhat.com/errata/RHSA-2019:2741"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3887"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IWPOIII2L73HV5PGXSGMRMKQIK47UIYE/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://usn.ubuntu.com/3979-1/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://usn.ubuntu.com/3980-1/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://usn.ubuntu.com/3980-2/"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-863"}],"source":"secalert@redhat.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-863"}],"source":"nvd@nist.gov","type":"Secondary"}]}
|