CVE-2019-3887
En bref Sévérité MEDIUM 6.7 EPSS EPSS 0.36 % · centile 29 (2026-10-28) État PUBLISHED Publiée 2019-04-09 Mise à jour 2024-08-04 Attribuée par redhat Statut NVD Modified Description 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.
Scores Version Score Vecteur Évalué par CVSS 3.0 MEDIUM 6.7 CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:H redhat CVSS 3.1 MEDIUM 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H NVD · nvd@nist.gov (Primary) CVSS 3.0 MEDIUM 6.7 CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:H NVD · secalert@redhat.com (Secondary) CVSS 2.0 MEDIUM 4.7 AV:L/AC:M/Au:N/C:N/I:N/A:C NVD · nvd@nist.gov (Primary)
Faiblesses (CWE)
Références européennes
Avis du CERT-FR
Configurations affectées (CPE NVD) cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 4.16cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_real_time:8:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:8:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.2:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.4:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.2:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.4:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*Produits affectés
Références
Sources
