CVE-2021-47313

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/cpufreq/cppc_cpufreq.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "b775383355755885b19d2acef977f1ca132e80a3", "status": "affected", "version": "a28b2bfc099c6b9caa6ef697660408e076a32019", "versionType": "git"}, {"lessThan": "e1b2b2b61d30d7ce057ec17237c217d152ed97f2", "status": "affected", "version": "a28b2bfc099c6b9caa6ef697660408e076a32019", "versionType": "git"}, {"lessThan": "fe2535a44904a77615a3af8e8fd7dafb98fb0e1b", "status": "affected", "version": "a28b2bfc099c6b9caa6ef697660408e076a32019", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/cpufreq/cppc_cpufreq.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.11"}, {"lessThan": "5.11", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.12.*", "status": "unaffected", "version": "5.12.19", "versionType": "semver"}, {"lessThanOrEqual": "5.13.*", "status": "unaffected", "version": "5.13.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "5.14", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"affectedData": [{"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [{"lessThan": "b77538335575", "status": "affected", "version": "a28b2bfc099c", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [{"lessThan": "e1b2b2b61d30", "status": "affected", "version": "a28b2bfc099c", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [{"lessThan": "fe2535a44904", "status": "affected", "version": "a28b2bfc099c", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [{"status": "affected", "version": "5.11"}]}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [{"lessThan": "5.11", "status": "unaffected", "version": "0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [{"lessThanOrEqual": "5.13", "status": "unaffected", "version": "5.12.19", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [{"lessThanOrEqual": "5.14", "status": "unaffected", "version": "5.13.4", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "linux_kernel", "vendor": "linux", "versions": [{"status": "unaffected", "version": "5.14"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "34C1A2F4-DD44-4CF1-8FD4-751A0D746A9E", "versionEndExcluding": "5.12.19", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F93FA3CC-0C79-410B-A7D7-245C2AA0723A", "versionEndExcluding": "5.13.4", "versionStartIncluding": "5.13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init\n\nIt's a classic example of memleak, we allocate something, we fail and\nnever free the resources.\n\nMake sure we free all resources on policy ->init() failures."}, {"lang": "es", "value": " En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: cpufreq: CPPC: arregla potencial memleak en cppc_cpufreq_cpu_init Es un ejemplo cl\u00e1sico de memleak, asignamos algo, fallamos y nunca liberamos los recursos. Aseg\u00farese de liberar todos los recursos en fallos de pol\u00edtica ->init()."}], "id": "CVE-2021-47313", "lastModified": "2026-06-17T04:17:10.253", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-47313", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-06-06T16:12:17.324731Z", "version": "2.0.3"}}]}, "published": "2024-05-21T15:15:18.727", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b775383355755885b19d2acef977f1ca132e80a3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b775383355755885b19d2acef977f1ca132e80a3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init", "id": "2282468", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282468"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L", "status": "draft"}, "cwe": "CWE-402", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init\nIt's a classic example of memleak, we allocate something, we fail and\nnever free the resources.\nMake sure we free all resources on policy ->init() failures."], "name": "CVE-2021-47313", "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": "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47313\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47313\nhttps://lore.kernel.org/linux-cve-announce/2024052129-CVE-2021-47313-af10@gregkh/T"], "threat_severity": "Low"}

{}