CVE-2024-26653

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The callers of\nljca_new_client_device shouldn't call kfree() again\nin the error handling path to free the platform data.\n\nFix this by cleaning up the redundant kfree() in all callers and\nadding kfree() the passed in platform_data on errors which happen\nbefore auxiliary_device_init() succeeds ."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: misc: ljca: corrige el doble libre en la ruta de manejo de errores Cuando auxiliar_device_add() devuelve un error y luego llama a auxiliar_device_uninit(), la funci\u00f3n de devoluci\u00f3n de llamada ljca_auxdev_release llama a kfree(auxdev->dev.platform_data ) para liberar los datos de los par\u00e1metros de la funci\u00f3n ljca_new_client_device. Las personas que llaman a ljca_new_client_device no deber\u00edan volver a llamar a kfree() en la ruta de manejo de errores para liberar los datos de la plataforma. Solucione este problema limpiando el kfree() redundante en todas las personas que llaman y agregando kfree() los datos de plataforma pasados en los errores que ocurren antes de queauxiliar_device_init() tenga \u00e9xito."}], "id": "CVE-2024-26653", "lastModified": "2026-06-17T07:18:00.610", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-26653", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-08-15T19:26:24.626157Z", "version": "2.0.3"}}]}, "published": "2024-04-01T09:15:51.010", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/420babea4f1881a7c4ea22a8e218b8c6895d3f21"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7c9631969287a5366bc8e39cd5abff154b35fb80"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8a9f653cc852677003c23ee8075e3ed8fb4743c9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/420babea4f1881a7c4ea22a8e218b8c6895d3f21"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7c9631969287a5366bc8e39cd5abff154b35fb80"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8a9f653cc852677003c23ee8075e3ed8fb4743c9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: usb: misc: ljca: Fix double free in error handling path", "id": "2272444", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2272444"}, "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"}, "cwe": "CWE-415", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nusb: misc: ljca: Fix double free in error handling path\nWhen auxiliary_device_add() returns error and then calls\nauxiliary_device_uninit(), callback function ljca_auxdev_release\ncalls kfree(auxdev->dev.platform_data) to free the parameter data\nof the function ljca_new_client_device. The callers of\nljca_new_client_device shouldn't call kfree() again\nin the error handling path to free the platform data.\nFix this by cleaning up the redundant kfree() in all callers and\nadding kfree() the passed in platform_data on errors which happen\nbefore auxiliary_device_init() succeeds .", "A vulnerability was found in the USB misc/ljca driver for Linux kernel resulted in a double free occurred during error handling when an auxiliary_device_add() encountered an error and invoked auxiliary_device_uninit(), the function ljca_auxdev_release erroneously called kfree() on auxdev->dev.platform_data, leading to double freeing of the parameter data."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2024-26653", "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": "2024-04-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26653\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26653\nhttps://lore.kernel.org/linux-cve-announce/2024040122-CVE-2024-26653-7903@gregkh/T"], "threat_severity": "Moderate"}

{}