{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-21505", "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85", "state": "PUBLISHED", "assignerShortName": "oracle", "dateReserved": "2021-11-15T19:29:08.891Z", "datePublished": "2024-12-24T18:48:23.588Z", "dateUpdated": "2024-12-27T16:52:05.331Z"}, "containers": {"cna": {"affected": [{"product": "Oracle Linux", "vendor": "Oracle Corporation", "versions": [{"status": "affected", "version": "Oracle Linux: 7"}, {"status": "affected", "version": "Oracle Linux: 8"}, {"status": "affected", "version": "Oracle Linux: 9"}]}], "descriptions": [{"lang": "en", "value": "In the linux kernel, if IMA appraisal is used with the \"ima_appraise=log\" boot param, lockdown can be defeated with kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents setting \"ima_appraise=log\" from the boot param when Secure Boot is enabled, but this does not cover cases where lockdown is used without Secure Boot. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity, Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "In the linux kernel, if IMA appraisal is used with the \"ima_appraise=log\" boot param, lockdown can be defeated with kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents setting \"ima_appraise=log\" from the boot param when Secure Boot is enabled, but this does not cover cases where lockdown is used without Secure Boot. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity, Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).", "lang": "en", "type": "text"}]}], "providerMetadata": {"orgId": "43595867-4340-4103-b7a2-9a5208d29a85", "shortName": "oracle", "dateUpdated": "2024-12-24T18:48:23.588Z"}, "references": [{"name": "Github commit", "tags": ["issue-tracking"], "url": "https://git.kernel.org/linus/543ce63b664e2c2f9533d089a4664b559c3e6b5b"}, {"name": "Oracle Advisory", "tags": ["vendor-advisory"], "url": "https://linux.oracle.com/cve/CVE-2022-21505.html"}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-346", "lang": "en", "description": "CWE-346 Origin Validation Error"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-12-27T16:51:57.672286Z", "id": "CVE-2022-21505", "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": "2024-12-27T16:52:05.331Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:*", "matchCriteriaId": "44B8FEDF-6CB0-46E9-9AD7-4445B001C158", "vulnerable": true}, {"criteria": "cpe:2.3:o:oracle:linux:8:-:*:*:*:*:*:*", "matchCriteriaId": "CA9021D6-6027-42E9-A12D-7EA32C5C63F1", "vulnerable": true}, {"criteria": "cpe:2.3:o:oracle:linux:9:-:*:*:*:*:*:*", "matchCriteriaId": "9E6116DA-D643-4C6D-8B90-0A41125F1EF0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the linux kernel, if IMA appraisal is used with the \"ima_appraise=log\" boot param, lockdown can be defeated with kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents setting \"ima_appraise=log\" from the boot param when Secure Boot is enabled, but this does not cover cases where lockdown is used without Secure Boot. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity, Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)."}, {"lang": "es", "value": "En el kernel de Linux, si se utiliza la evaluaci\u00f3n IMA con el par\u00e1metro de arranque \"ima_appraise=log\", el bloqueo se puede anular con kexec en cualquier m\u00e1quina cuando el arranque seguro est\u00e1 deshabilitado o no est\u00e1 disponible. IMA impide configurar \"ima_appraise=log\" desde el par\u00e1metro de arranque cuando el arranque seguro est\u00e1 habilitado, pero esto no cubre los casos en los que se utiliza el bloqueo sin arranque seguro. CVSS 3.1 Puntuaci\u00f3n base 6,7 (impactos de confidencialidad, integridad y disponibilidad). Vector CVSS: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)."}], "id": "CVE-2022-21505", "lastModified": "2025-06-18T20:42:10.643", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 5.9, "source": "secalert_us@oracle.com", "type": "Secondary"}]}, "published": "2024-12-24T19:15:06.763", "references": [{"source": "secalert_us@oracle.com", "tags": ["Broken Link"], "url": "https://git.kernel.org/linus/543ce63b664e2c2f9533d089a4664b559c3e6b5b"}, {"source": "secalert_us@oracle.com", "tags": ["Vendor Advisory"], "url": "https://linux.oracle.com/cve/CVE-2022-21505.html"}], "sourceIdentifier": "secalert_us@oracle.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-346"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2023:2458", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.11.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}, {"advisory": "RHSA-2023:2148", "cpe": "cpe:/a:redhat:enterprise_linux:9::nfv", "package": "kernel-rt-0:5.14.0-284.11.1.rt14.296.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}, {"advisory": "RHSA-2023:2458", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.11.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}], "bugzilla": {"description": "kernel: lockdown bypass using IMA", "id": "2106830", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2106830"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-305", "details": ["In the linux kernel, if IMA appraisal is used with the \"ima_appraise=log\" boot param, lockdown can be defeated with kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents setting \"ima_appraise=log\" from the boot param when Secure Boot is enabled, but this does not cover cases where lockdown is used without Secure Boot. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity, Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).", "An authentication bypass flaw was found in the Linux kernel\u2019s IMA policy when a user performs lockdown. This flaw allows a local user to crash or potentially escalate their privileges on the system."], "name": "CVE-2022-21505", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2022-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-21505\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-21505"], "threat_severity": "Moderate"}

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