CVE-2022-49342

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_register of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/7fb1fe7d9a167205413f1de8db9f7d0f82c78286	Patch
https://git.kernel.org/stable/c/b51996e35bbfcc7a27d94dfeed5cc2429b2c0df4	Patch
https://git.kernel.org/stable/c/b8d91399775c55162073bb2aca061ec42e3d4bc1	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc1::::::

History

No history.

Information

Published : 2025-02-26 07:01

Updated : 2025-10-01 20:16

NVD link : CVE-2022-49342

Mitre link : CVE-2022-49342

CVE.ORG link : CVE-2022-49342

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-Other

{"id": "CVE-2022-49342", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"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"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-02-26T07:01:10.953", "references": [{"url": "https://git.kernel.org/stable/c/7fb1fe7d9a167205413f1de8db9f7d0f82c78286", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b51996e35bbfcc7a27d94dfeed5cc2429b2c0df4", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b8d91399775c55162073bb2aca061ec42e3d4bc1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_register\n\nof_get_child_by_name() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\nAdd missing of_node_put() to avoid refcount leak."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ethernet: bgmac: Se corrige la p\u00e9rdida de recuento de referencias en bcma_mdio_mii_register of_get_child_by_name() devuelve un puntero de nodo con el recuento de referencias incrementado, deber\u00edamos usar of_node_put() en \u00e9l cuando ya no sea necesario. Agregue of_node_put() faltante para evitar la p\u00e9rdida de recuento de referencias."}], "lastModified": "2025-10-01T20:16:10.800", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "940BE09D-6DA7-42D6-81BF-3E13DC54BE57", "versionEndExcluding": "5.17.15", "versionStartIncluding": "4.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FA6D643C-6D6A-4821-8A8D-B5776B8F0103", "versionEndExcluding": "5.18.4", "versionStartIncluding": "5.18"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A8C30C2D-F82D-4D37-AB48-D76ABFBD5377"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}