{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-2196","assignerOrgId":"14ed7db2-1595-443d-9d34-6215bf890778","state":"PUBLISHED","assignerShortName":"Google","dateReserved":"2022-06-24T13:29:09.969Z","datePublished":"2023-01-09T10:59:53.099Z","dateUpdated":"2025-02-13T16:28:57.097Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","packageName":"KVM","product":"Linux Kernel","repo":"https://git.kernel.org/","vendor":"Linux","versions":[{"lessThan":"2e7eab81425a","status":"affected","version":"0","versionType":"git"},{"lessThan":"6.2","status":"affected","version":"0","versionType":"custom"}]}],"datePublic":"2022-10-18T22:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks.&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">after running L2 due to KVM (L0) advertising eIBRS support to L1. An attacker at L2 with code execution can execute code on an indirect branch on the host machine. We recommend upgrading to Kernel 6.2 or past commit&nbsp;2e7eab81425a</span></span><br>"}],"value":"A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks. L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB after running L2 due to KVM (L0) advertising eIBRS support to L1. An attacker at L2 with code execution can execute code on an indirect branch on the host machine. We recommend upgrading to Kernel 6.2 or past commit 2e7eab81425a"}],"impacts":[{"capecId":"CAPEC-30","descriptions":[{"lang":"en","value":"CAPEC-30 Hijacking a Privileged Thread of Execution"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1188","description":"CWE-1188 Insecure Default Initialization of Resource","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"14ed7db2-1595-443d-9d34-6215bf890778","shortName":"Google","dateUpdated":"2023-05-03T00:06:59.149Z"},"references":[{"url":"https://kernel.dance/#2e7eab81425a"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2e7eab81425ad6c875f2ed47c0ce01e78afc38a5"},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"}],"source":{"discovery":"INTERNAL"},"title":"Speculative execution attacks in KVM VMX","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://security.netapp.com/advisory/ntap-20230223-0002/"},{"url":"https://kernel.dance/#2e7eab81425a","tags":["x_transferred"]},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2e7eab81425ad6c875f2ed47c0ce01e78afc38a5","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html","tags":["x_transferred"]}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T00:32:08.645Z"}},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-01T15:07:47.721131Z","id":"CVE-2022-2196","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-08-01T15:08:01.626Z"}}]}}