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{"affected": [{"affectedData": [{"product": "Red Hat Enterprise Linux", "vendor": "n/a", "versions": [{"status": "affected", "version": "8.6"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A set of pre-production kernel packages of Red Hat Enterprise Linux for IBM Power architecture can be booted by the grub in Secure Boot mode even though it shouldn't. These kernel builds don't have the secure boot lockdown patches applied to it and can bypass the secure boot validations, allowing the attacker to load another non-trusted code."}, {"lang": "es", "value": "Un conjunto de paquetes del kernel de preproducci\u00f3n de Red Hat Enterprise Linux para la arquitectura IBM Power puede ser arrancado por el grub en modo de arranque seguro aunque no deber\u00eda. Estas compilaciones del kernel no presentan aplicados los parches de bloqueo de arranque seguro y pueden omitir las comprobaciones de arranque seguro, permitiendo al atacante cargar otro c\u00f3digo no confiable"}], "id": "CVE-2022-1665", "lastModified": "2026-10-08T21:17:43.947", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-1665", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-08T21:01:22.114121Z", "version": "2.0.3"}}]}, "published": "2022-06-21T15:15:08.320", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2089529"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2089529"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1291"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "Power: Signed build of Red Hat Enterprise Linux for IBM Power can boot pre-production kernels", "id": "2089529", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2089529"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-1291", "details": ["A set of pre-production kernel packages of Red Hat Enterprise Linux for IBM Power architecture can be booted by the grub in Secure Boot mode even though it shouldn't. These kernel builds don't have the secure boot lockdown patches applied to it and can bypass the secure boot validations, allowing the attacker to load another non-trusted code.", "A flaw was found in the Linux kernel, where a set of pre-production kernel packages of Red Hat Enterprise Linux for IBM Power architecture were signed with Red Hat's production secure boot keys. This issue allows kernel versions targeted for testing to eventually boot in PowerPC environments with the Secure Boot feature enabled. An attacker needs high privilege to install the non-production kernel packages in the target machine and make it the default boot option on grub2."], "name": "CVE-2022-1665", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2022-06-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-1665\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-1665"], "statement": "The RHEL 8 kernel SRPM has a means to build a blacklist of sha256 hashes of bad kernels that can be added to. This should prevent kexec from booting them. If it's the bootloader booting them, then that's before the kernel is even loaded and isn't a kernel problem. Such hashes may also be added to the blacklist table of a UEFI BIOS.", "threat_severity": "Moderate"}

{}