{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2021-47057", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-29T22:33:44.294Z", "datePublished": "2024-02-29T22:37:32.216Z", "dateUpdated": "2026-05-11T13:47:14.944Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:47:14.944Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map\n\nIn the case where the dma_iv mapping fails, the return error path leaks\nthe memory allocated to object d. Fix this by adding a new error return\nlabel and jumping to this to ensure d is free'd before the return.\n\nAddresses-Coverity: (\"Resource leak\")"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c"], "versions": [{"version": "ac2614d721dea2ff273af19c6c5d508d58a2bb3e", "lessThan": "617ec35ed51f731a593ae7274228ef2cfc9cb781", "status": "affected", "versionType": "git"}, {"version": "ac2614d721dea2ff273af19c6c5d508d58a2bb3e", "lessThan": "e1f2d739849c3239df1ea3f97d40bade4b808410", "status": "affected", "versionType": "git"}, {"version": "ac2614d721dea2ff273af19c6c5d508d58a2bb3e", "lessThan": "6516cb852d704ff8d615de1f93cd443a99736c3d", "status": "affected", "versionType": "git"}, {"version": "ac2614d721dea2ff273af19c6c5d508d58a2bb3e", "lessThan": "98b5ef3e97b16eaeeedb936f8bda3594ff84a70e", "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/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c"], "versions": [{"version": "5.10", "status": "affected"}, {"version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.37", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.11.21", "lessThanOrEqual": "5.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.12.4", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.13", "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": "5.10", "versionEndExcluding": "5.10.37"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.11.21"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.12.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/617ec35ed51f731a593ae7274228ef2cfc9cb781"}, {"url": "https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410"}, {"url": "https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d"}, {"url": "https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e"}], "title": "crypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-770", "lang": "en", "description": "CWE-770 Allocation of Resources Without Limits or Throttling"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-03-05T20:56:30.683698Z", "id": "CVE-2021-47057", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-06T14:41:35.263Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.143Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/617ec35ed51f731a593ae7274228ef2cfc9cb781", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/617ec35ed51f731a593ae7274228ef2cfc9cb781", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.143Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-47057", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-05T20:56:30.683698Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-770", "description": "CWE-770 Allocation of Resources Without Limits or Throttling"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T19:01:16.038Z"}}], "cna": {"title": "crypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "ac2614d721dea2ff273af19c6c5d508d58a2bb3e", "lessThan": "617ec35ed51f731a593ae7274228ef2cfc9cb781", "versionType": "git"}, {"status": "affected", "version": "ac2614d721dea2ff273af19c6c5d508d58a2bb3e", "lessThan": "e1f2d739849c3239df1ea3f97d40bade4b808410", "versionType": "git"}, {"status": "affected", "version": "ac2614d721dea2ff273af19c6c5d508d58a2bb3e", "lessThan": "6516cb852d704ff8d615de1f93cd443a99736c3d", "versionType": "git"}, {"status": "affected", "version": "ac2614d721dea2ff273af19c6c5d508d58a2bb3e", "lessThan": "98b5ef3e97b16eaeeedb936f8bda3594ff84a70e", "versionType": "git"}], "programFiles": ["drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.10"}, {"status": "unaffected", "version": "0", "lessThan": "5.10", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.37", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.11.21", "versionType": "semver", "lessThanOrEqual": "5.11.*"}, {"status": "unaffected", "version": "5.12.4", "versionType": "semver", "lessThanOrEqual": "5.12.*"}, {"status": "unaffected", "version": "5.13", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/617ec35ed51f731a593ae7274228ef2cfc9cb781"}, {"url": "https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410"}, {"url": "https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d"}, {"url": "https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map\n\nIn the case where the dma_iv mapping fails, the return error path leaks\nthe memory allocated to object d. Fix this by adding a new error return\nlabel and jumping to this to ensure d is free'd before the return.\n\nAddresses-Coverity: (\"Resource leak\")"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.37", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.11.21", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.12.4", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.13", "versionStartIncluding": "5.10"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:03:19.320Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47057", "state": "PUBLISHED", "dateUpdated": "2025-05-04T07:03:19.320Z", "dateReserved": "2024-02-29T22:33:44.294Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-02-29T22:37:32.216Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4E433B72-3E3A-435E-9A66-80D28868BDF2", "versionEndExcluding": "5.10.37", "versionStartIncluding": "5.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8CBB94EC-EC33-4464-99C5-03E5542715F0", "versionEndExcluding": "5.11.21", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D8C7052F-1B7B-4327-9C2B-84EBF3243838", "versionEndExcluding": "5.12.4", "versionStartIncluding": "5.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map\n\nIn the case where the dma_iv mapping fails, the return error path leaks\nthe memory allocated to object d. Fix this by adding a new error return\nlabel and jumping to this to ensure d is free'd before the return.\n\nAddresses-Coverity: (\"Resource leak\")"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: crypto: sun8i-ss: corrige la p\u00e9rdida de memoria del objeto d cuando dma_iv no se puede asignar. En el caso de que falle la asignaci\u00f3n de dma_iv, la ruta de error de retorno pierde la memoria asignada al objeto d. Solucione este problema agregando una nueva etiqueta de devoluci\u00f3n de error y saltando a ella para asegurarse de que d est\u00e9 libre antes de la devoluci\u00f3n. Direcciones-Cobertura: (\"Fuga de recursos\")"}], "id": "CVE-2021-47057", "lastModified": "2025-03-19T15:57:47.157", "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-02-29T23:15:07.590", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/617ec35ed51f731a593ae7274228ef2cfc9cb781"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/617ec35ed51f731a593ae7274228ef2cfc9cb781"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: crypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map", "id": "2267181", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2267181"}, "csaw": false, "cvss3": {"cvss3_base_score": "2.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-402", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncrypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map\nIn the case where the dma_iv mapping fails, the return error path leaks\nthe memory allocated to object d. Fix this by adding a new error return\nlabel and jumping to this to ensure d is free'd before the return.\nAddresses-Coverity: (\"Resource leak\")"], "name": "CVE-2021-47057", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "2024-02-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47057\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47057\nhttps://lore.kernel.org/linux-cve-announce/2024022951-CVE-2021-47057-01fa@gregkh/T/#u"], "statement": "Red Hat Enterprise Linux 8 and 9 are not affected by this vulnerability.", "threat_severity": "Low"}

{}