{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49668", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:21:30.436Z", "datePublished": "2025-02-26T02:24:02.662Z", "dateUpdated": "2025-02-26T02:24:02.662Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T02:24:02.662Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events\n\nof_get_child_by_name() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when done.\nThis function only calls of_node_put() in normal path,\nmissing it in error paths.\nAdd missing of_node_put() to avoid refcount leak."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/devfreq/event/exynos-ppmu.c"], "versions": [{"version": "f262f28c147051e7aa6daaf4fb5996833ffadff4", "lessThan": "bdecd912e99acfd61507f1720d3f4eed1b3418d8", "status": "affected", "versionType": "git"}, {"version": "f262f28c147051e7aa6daaf4fb5996833ffadff4", "lessThan": "e65027fdebbacd40595e96ef7b5d2418f71bddf2", "status": "affected", "versionType": "git"}, {"version": "f262f28c147051e7aa6daaf4fb5996833ffadff4", "lessThan": "01121e39ef537289926ae6f5374dce92c796d863", "status": "affected", "versionType": "git"}, {"version": "f262f28c147051e7aa6daaf4fb5996833ffadff4", "lessThan": "194781229d4cbc804b8ded13156eb8addce87d6c", "status": "affected", "versionType": "git"}, {"version": "f262f28c147051e7aa6daaf4fb5996833ffadff4", "lessThan": "f44b799603a9b5d2e375b0b2d54dd0b791eddfc2", "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/devfreq/event/exynos-ppmu.c"], "versions": [{"version": "4.0", "status": "affected"}, {"version": "0", "lessThan": "4.0", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.204", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.129", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.53", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.10", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/bdecd912e99acfd61507f1720d3f4eed1b3418d8"}, {"url": "https://git.kernel.org/stable/c/e65027fdebbacd40595e96ef7b5d2418f71bddf2"}, {"url": "https://git.kernel.org/stable/c/01121e39ef537289926ae6f5374dce92c796d863"}, {"url": "https://git.kernel.org/stable/c/194781229d4cbc804b8ded13156eb8addce87d6c"}, {"url": "https://git.kernel.org/stable/c/f44b799603a9b5d2e375b0b2d54dd0b791eddfc2"}], "title": "PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "362570AA-00CD-4314-9B1A-3EB71E9C7D7C", "versionEndExcluding": "5.4.204", "versionStartIncluding": "4.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DAAE3E52-3C60-40CA-A245-AE5660F45CD8", "versionEndExcluding": "5.10.129", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "70DCF327-F4B6-4CDB-8C9E-98E909E60127", "versionEndExcluding": "5.15.53", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8261A22B-B156-4045-AE8E-AA9E95E7930C", "versionEndExcluding": "5.18.10", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*", "matchCriteriaId": "A8C30C2D-F82D-4D37-AB48-D76ABFBD5377", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:*", "matchCriteriaId": "BF8547FC-C849-4F1B-804B-A93AE2F04A92", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:*", "matchCriteriaId": "F3068028-F453-4A1C-B80F-3F5609ACEF60", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:*", "matchCriteriaId": "2E9C0DB0-D349-489F-A3D6-B77214E93A8A", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events\n\nof_get_child_by_name() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when done.\nThis function only calls of_node_put() in normal path,\nmissing it in error paths.\nAdd missing of_node_put() to avoid refcount leak."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: PM/devfreq: exynos-ppmu: Se corrige la fuga de refcount en of_get_devfreq_events of_get_child_by_name() devuelve un puntero de nodo con refcount incrementado, deber\u00edamos usar of_node_put() en \u00e9l cuando haya terminado. Esta funci\u00f3n solo llama a of_node_put() en la ruta normal, y no la llama en las rutas de error. Agregue la falta de of_node_put() para evitar la fuga de refcount."}], "id": "CVE-2022-49668", "lastModified": "2025-03-11T22:09:28.633", "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"}]}, "published": "2025-02-26T07:01:41.780", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/01121e39ef537289926ae6f5374dce92c796d863"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/194781229d4cbc804b8ded13156eb8addce87d6c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bdecd912e99acfd61507f1720d3f4eed1b3418d8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e65027fdebbacd40595e96ef7b5d2418f71bddf2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f44b799603a9b5d2e375b0b2d54dd0b791eddfc2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events", "id": "2348094", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348094"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nPM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events\nof_get_child_by_name() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when done.\nThis function only calls of_node_put() in normal path,\nmissing it in error paths.\nAdd missing of_node_put() to avoid refcount leak."], "name": "CVE-2022-49668", "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": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49668\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49668\nhttps://lore.kernel.org/linux-cve-announce/2025022623-CVE-2022-49668-1793@gregkh/T"], "threat_severity": "Moderate"}