{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49351", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.544Z", "datePublished": "2025-02-26T02:11:04.014Z", "dateUpdated": "2025-02-26T02:11:04.014Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T02:11:04.014Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: altera: Fix refcount leak in altera_tse_mdio_create\n\nEvery iteration of for_each_child_of_node() decrements\nthe reference count of the previous node.\nWhen break from a for_each_child_of_node() loop,\nwe need to explicitly call of_node_put() on the child node when\nnot need anymore.\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/net/ethernet/altera/altera_tse_main.c"], "versions": [{"version": "bbd2190ce96d8fce031f0526c1f970b68adc9d1a", "lessThan": "a013fa884d8738ad8455aa1a843b8c9d80c6c833", "status": "affected", "versionType": "git"}, {"version": "bbd2190ce96d8fce031f0526c1f970b68adc9d1a", "lessThan": "1fd12298a0e0ca23478c715e672ee64c85670584", "status": "affected", "versionType": "git"}, {"version": "bbd2190ce96d8fce031f0526c1f970b68adc9d1a", "lessThan": "5cd0e22fa11f4a21a8c09cc258f20b1474c95801", "status": "affected", "versionType": "git"}, {"version": "bbd2190ce96d8fce031f0526c1f970b68adc9d1a", "lessThan": "8174acbef87b8dd8bf3731eba2a5af1ac857e239", "status": "affected", "versionType": "git"}, {"version": "bbd2190ce96d8fce031f0526c1f970b68adc9d1a", "lessThan": "96bf5ed057df2d157274d4e2079002f9a9404bb8", "status": "affected", "versionType": "git"}, {"version": "bbd2190ce96d8fce031f0526c1f970b68adc9d1a", "lessThan": "e31d9ba169860687dba19bdc8fccbfd34077f655", "status": "affected", "versionType": "git"}, {"version": "bbd2190ce96d8fce031f0526c1f970b68adc9d1a", "lessThan": "803b217f1fb49a2dbb2123acdb45111b9c48b8be", "status": "affected", "versionType": "git"}, {"version": "bbd2190ce96d8fce031f0526c1f970b68adc9d1a", "lessThan": "4f850fe0a32c3f1e19b76996a3b1ca32637a14de", "status": "affected", "versionType": "git"}, {"version": "bbd2190ce96d8fce031f0526c1f970b68adc9d1a", "lessThan": "11ec18b1d8d92b9df307d31950dcba0b3dd7283c", "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/net/ethernet/altera/altera_tse_main.c"], "versions": [{"version": "3.15", "status": "affected"}, {"version": "0", "lessThan": "3.15", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.318", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.283", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.247", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.198", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.122", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.47", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.15", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.4", "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/a013fa884d8738ad8455aa1a843b8c9d80c6c833"}, {"url": "https://git.kernel.org/stable/c/1fd12298a0e0ca23478c715e672ee64c85670584"}, {"url": "https://git.kernel.org/stable/c/5cd0e22fa11f4a21a8c09cc258f20b1474c95801"}, {"url": "https://git.kernel.org/stable/c/8174acbef87b8dd8bf3731eba2a5af1ac857e239"}, {"url": "https://git.kernel.org/stable/c/96bf5ed057df2d157274d4e2079002f9a9404bb8"}, {"url": "https://git.kernel.org/stable/c/e31d9ba169860687dba19bdc8fccbfd34077f655"}, {"url": "https://git.kernel.org/stable/c/803b217f1fb49a2dbb2123acdb45111b9c48b8be"}, {"url": "https://git.kernel.org/stable/c/4f850fe0a32c3f1e19b76996a3b1ca32637a14de"}, {"url": "https://git.kernel.org/stable/c/11ec18b1d8d92b9df307d31950dcba0b3dd7283c"}], "title": "net: altera: Fix refcount leak in altera_tse_mdio_create", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

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Cuando se interrumpe un bucle for_each_child_of_node(), debemos llamar expl\u00edcitamente a of_node_put() en el nodo secundario cuando ya no lo necesitamos. Agregue of_node_put() faltante para evitar la p\u00e9rdida de recuento de referencias."}], "id": "CVE-2022-49351", "lastModified": "2025-04-14T19:46:06.033", "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": "2025-02-26T07:01:11.823", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/11ec18b1d8d92b9df307d31950dcba0b3dd7283c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1fd12298a0e0ca23478c715e672ee64c85670584"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4f850fe0a32c3f1e19b76996a3b1ca32637a14de"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5cd0e22fa11f4a21a8c09cc258f20b1474c95801"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/803b217f1fb49a2dbb2123acdb45111b9c48b8be"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8174acbef87b8dd8bf3731eba2a5af1ac857e239"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/96bf5ed057df2d157274d4e2079002f9a9404bb8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a013fa884d8738ad8455aa1a843b8c9d80c6c833"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e31d9ba169860687dba19bdc8fccbfd34077f655"}], "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: net: altera: Fix refcount leak in altera_tse_mdio_create", "id": "2347918", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347918"}, "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:\nnet: altera: Fix refcount leak in altera_tse_mdio_create\nEvery iteration of for_each_child_of_node() decrements\nthe reference count of the previous node.\nWhen break from a for_each_child_of_node() loop,\nwe need to explicitly call of_node_put() on the child node when\nnot need anymore.\nAdd missing of_node_put() to avoid refcount leak."], "name": "CVE-2022-49351", "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-2022-49351\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49351\nhttps://lore.kernel.org/linux-cve-announce/2025022642-CVE-2022-49351-b85d@gregkh/T"], "threat_severity": "Moderate"}