{"id":"CVE-2023-30456","state":"PUBLISHED","title":"An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64 lacks consistency checks for CR0 and CR4.","description":"An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64 lacks consistency checks for CR0 and CR4.","publishedAt":"2023-04-10T00:00:00.000Z","updatedAt":"2025-03-19T15:43:31.488Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/torvalds/linux/commit/112e66017bff7f2837030f34c2bc19501e9212d5","https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8","https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html","https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html","https://security.netapp.com/advisory/ntap-20230511-0007/","http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html"],"weaknesses":["CWE-754"],"ingestedAt":"2026-10-29T20:05:52.290Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/30xxx/CVE-2023-30456.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-30456","state":"PUBLISHED","datePublished":"2023-04-10T00:00:00.000Z","dateUpdated":"2025-03-19T15:43:31.488Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2023-04-10T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64 lacks consistency checks for CR0 and CR4."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/torvalds/linux/commit/112e66017bff7f2837030f34c2bc19501e9212d5"},{"url":"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8"},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html","name":"[debian-lts-announce] 20230502 [SECURITY] [DLA 3404-1] linux-5.10 security update","tags":["mailing-list"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html","name":"[debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security update","tags":["mailing-list"]},{"url":"https://security.netapp.com/advisory/ntap-20230511-0007/"},{"url":"http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2023-07-26T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/torvalds/linux/commit/112e66017bff7f2837030f34c2bc19501e9212d5","tags":["x_transferred"]},{"url":"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html","name":"[debian-lts-announce] 20230502 [SECURITY] [DLA 3404-1] linux-5.10 security update","tags":["mailing-list","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html","name":"[debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security update","tags":["mailing-list","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20230511-0007/","tags":["x_transferred"]},{"url":"http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T14:28:50.514Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":6.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-03-06T15:56:29.486681Z","id":"CVE-2023-30456","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-754","type":"CWE","lang":"en","description":"CWE-754 Improper Check for Unusual or Exceptional Conditions"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-03-19T15:43:31.488Z"}}]}}}