CVE-2021-47093

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2021-47093", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-29T22:33:44.300Z", "datePublished": "2024-03-04T18:10:41.813Z", "dateUpdated": "2026-05-11T13:47:54.554Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:47:54.554Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: intel_pmc_core: fix memleak on registration failure\n\nIn case device registration fails during module initialisation, the\nplatform device structure needs to be freed using platform_device_put()\nto properly free all resources (e.g. the device name)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/platform/x86/intel/pmc/pltdrv.c"], "versions": [{"version": "938835aa903ae19ad62805134f79bbcf20fc3bea", "lessThan": "7a37f2e370699e2feca3dca6c8178c71ceee7e8a", "status": "affected", "versionType": "git"}, {"version": "938835aa903ae19ad62805134f79bbcf20fc3bea", "lessThan": "9ca1324755f1f8629a370af5cc315b175331f5d1", "status": "affected", "versionType": "git"}, {"version": "938835aa903ae19ad62805134f79bbcf20fc3bea", "lessThan": "26a8b09437804fabfb1db080d676b96c0de68e7c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/platform/x86/intel/pmc/pltdrv.c"], "versions": [{"version": "5.9", "status": "affected"}, {"version": "0", "lessThan": "5.9", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.89", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.12", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "5.10.89"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "5.15.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "5.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7a37f2e370699e2feca3dca6c8178c71ceee7e8a"}, {"url": "https://git.kernel.org/stable/c/9ca1324755f1f8629a370af5cc315b175331f5d1"}, {"url": "https://git.kernel.org/stable/c/26a8b09437804fabfb1db080d676b96c0de68e7c"}], "title": "platform/x86: intel_pmc_core: fix memleak on registration failure", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47093", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-04T19:55:54.867471Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-05T17:22:07.353Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.914Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/7a37f2e370699e2feca3dca6c8178c71ceee7e8a", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9ca1324755f1f8629a370af5cc315b175331f5d1", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/26a8b09437804fabfb1db080d676b96c0de68e7c", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/7a37f2e370699e2feca3dca6c8178c71ceee7e8a", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9ca1324755f1f8629a370af5cc315b175331f5d1", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/26a8b09437804fabfb1db080d676b96c0de68e7c", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.914Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47093", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-04T19:55:54.867471Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-05T15:20:41.262Z"}}], "cna": {"title": "platform/x86: intel_pmc_core: fix memleak on registration failure", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "938835aa903ae19ad62805134f79bbcf20fc3bea", "lessThan": "7a37f2e370699e2feca3dca6c8178c71ceee7e8a", "versionType": "git"}, {"status": "affected", "version": "938835aa903ae19ad62805134f79bbcf20fc3bea", "lessThan": "9ca1324755f1f8629a370af5cc315b175331f5d1", "versionType": "git"}, {"status": "affected", "version": "938835aa903ae19ad62805134f79bbcf20fc3bea", "lessThan": "26a8b09437804fabfb1db080d676b96c0de68e7c", "versionType": "git"}], "programFiles": ["drivers/platform/x86/intel/pmc/pltdrv.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.9"}, {"status": "unaffected", "version": "0", "lessThan": "5.9", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.89", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.12", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "5.16", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/platform/x86/intel/pmc/pltdrv.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/7a37f2e370699e2feca3dca6c8178c71ceee7e8a"}, {"url": "https://git.kernel.org/stable/c/9ca1324755f1f8629a370af5cc315b175331f5d1"}, {"url": "https://git.kernel.org/stable/c/26a8b09437804fabfb1db080d676b96c0de68e7c"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: intel_pmc_core: fix memleak on registration failure\n\nIn case device registration fails during module initialisation, the\nplatform device structure needs to be freed using platform_device_put()\nto properly free all resources (e.g. the device name)."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.89", "versionStartIncluding": "5.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.12", "versionStartIncluding": "5.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.16", "versionStartIncluding": "5.9"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:04:01.934Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47093", "state": "PUBLISHED", "dateUpdated": "2025-05-04T07:04:01.934Z", "dateReserved": "2024-02-29T22:33:44.300Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-03-04T18:10:41.813Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/platform/x86/intel/pmc/pltdrv.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7a37f2e370699e2feca3dca6c8178c71ceee7e8a", "status": "affected", "version": "938835aa903ae19ad62805134f79bbcf20fc3bea", "versionType": "git"}, {"lessThan": "9ca1324755f1f8629a370af5cc315b175331f5d1", "status": "affected", "version": "938835aa903ae19ad62805134f79bbcf20fc3bea", "versionType": "git"}, {"lessThan": "26a8b09437804fabfb1db080d676b96c0de68e7c", "status": "affected", "version": "938835aa903ae19ad62805134f79bbcf20fc3bea", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/platform/x86/intel/pmc/pltdrv.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.9"}, {"lessThan": "5.9", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.89", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.12", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "5.16", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BB14DD0A-B439-4A3B-A318-C0CAF1AC93DF", "versionEndExcluding": "5.10.89", "versionStartIncluding": "5.9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "732BA914-7B3B-43CD-857F-8119106F6F71", "versionEndExcluding": "5.15.12", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*", "matchCriteriaId": "357AA433-37E8-4323-BFB2-3038D6E4B414", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*", "matchCriteriaId": "A73429BA-C2D9-4D0C-A75F-06A1CA8B3983", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*", "matchCriteriaId": "F621B5E3-E99D-49E7-90B9-EC3B77C95383", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*", "matchCriteriaId": "F7BFDCAA-1650-49AA-8462-407DD593F94F", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:*", "matchCriteriaId": "6EC9882F-866D-4ACB-8FBC-213D8D8436C8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc6:*:*:*:*:*:*", "matchCriteriaId": "8A0915FE-A4AA-4C94-B783-CF29D81E7E54", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: intel_pmc_core: fix memleak on registration failure\n\nIn case device registration fails during module initialisation, the\nplatform device structure needs to be freed using platform_device_put()\nto properly free all resources (e.g. the device name)."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: plataforma/x86: intel_pmc_core: corrige memleak en falla de registro En caso de que el registro del dispositivo falle durante la inicializaci\u00f3n del m\u00f3dulo, la estructura del dispositivo de la plataforma debe liberarse usando platform_device_put() para liberar adecuadamente todos los recursos ( por ejemplo, el nombre del dispositivo)."}], "id": "CVE-2021-47093", "lastModified": "2026-06-17T04:16:27.330", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-47093", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-03-04T19:55:54.867471Z", "version": "2.0.3"}}]}, "published": "2024-03-04T18:15:07.787", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/26a8b09437804fabfb1db080d676b96c0de68e7c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7a37f2e370699e2feca3dca6c8178c71ceee7e8a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9ca1324755f1f8629a370af5cc315b175331f5d1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/26a8b09437804fabfb1db080d676b96c0de68e7c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7a37f2e370699e2feca3dca6c8178c71ceee7e8a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9ca1324755f1f8629a370af5cc315b175331f5d1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: platform/x86: intel_pmc_core: fix memleak on registration failure", "id": "2267931", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267931"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H", "status": "draft"}, "cwe": "CWE-402", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nplatform/x86: intel_pmc_core: fix memleak on registration failure\nIn case device registration fails during module initialisation, the\nplatform device structure needs to be freed using platform_device_put()\nto properly free all resources (e.g. the device name)."], "name": "CVE-2021-47093", "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"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-03-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47093\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47093\nhttps://lore.kernel.org/linux-cve-announce/2024030414-CVE-2021-47093-ccd0@gregkh/T"], "threat_severity": "Low"}

{}