CVE-2025-38390

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{}

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However, during unregistration, the code only removes the\nnode from the hashtable without freeing the associated memory, resulting\nin a memory leak.\n\nResolve the memory leak issue by ensuring the allocated notifier callback\nnode is properly freed after it is removed from the hashtable entry."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: firmware: arm_ffa: Corregir fuga de memoria liberando el nodo de devoluci\u00f3n de llamada del notificador. El commit e0573444edbf (\"firmware: arm_ffa: A\u00f1adir interfaces para solicitar devoluciones de llamada de notificaci\u00f3n\") a\u00f1ade compatibilidad con devoluciones de llamada de notificador mediante la asignaci\u00f3n e inserci\u00f3n de un nodo de devoluci\u00f3n de llamada en una tabla hash durante el registro de notificadores. Sin embargo, al anular el registro, el c\u00f3digo solo elimina el nodo de la tabla hash sin liberar la memoria asociada, lo que provoca una fuga de memoria. Para resolver el problema de fuga de memoria, aseg\u00farese de que el nodo de devoluci\u00f3n de llamada del notificador asignado se libere correctamente tras eliminarlo de la entrada de la tabla hash."}], "id": "CVE-2025-38390", "lastModified": "2026-06-17T09:16:45.733", "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": "2025-07-25T13:15:28.373", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/076fa20b4f5737c34921dbb152f9efceaee571b2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/938827c440564b2cf2f9b804d1fe81ce8267eded"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a833d31ad867103ba72a0b73f3606f4ab8601719"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: firmware: arm_ffa: Fix memory leak by freeing notifier callback node", "id": "2383403", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2383403"}, "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:\nfirmware: arm_ffa: Fix memory leak by freeing notifier callback node\nCommit e0573444edbf (\"firmware: arm_ffa: Add interfaces to request\nnotification callbacks\") adds support for notifier callbacks by allocating\nand inserting a callback node into a hashtable during registration of\nnotifiers. However, during unregistration, the code only removes the\nnode from the hashtable without freeing the associated memory, resulting\nin a memory leak.\nResolve the memory leak issue by ensuring the allocated notifier callback\nnode is properly freed after it is removed from the hashtable entry."], "name": "CVE-2025-38390", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "2025-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38390\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38390\nhttps://lore.kernel.org/linux-cve-announce/2025072508-CVE-2025-38390-7d67@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-26T11:22:04.869622+00:00", "updated": "2025-07-26T11:22:04.869697+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}