CVE-2024-50239

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This bug\nwas later reproduced when the driver was copied to create the\nqmp-usb-legacy driver.\n\nRestore the driver data initialisation at probe to avoid a NULL-pointer\ndereference on runtime suspend.\n\nApparently no one uses runtime PM, which currently needs to be enabled\nmanually through sysfs, with these drivers."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: phy: qcom: qmp-usb-legacy: fix NULL-deref on runtime suspend Commit 413db06c05e7 (\"phy: qcom-qmp-usb: clean up probe initialisation\") elimin\u00f3 la mayor\u00eda de los usuarios de los datos del controlador de dispositivo de la plataforma del controlador qcom-qmp-usb, pero tambi\u00e9n elimin\u00f3 por error la inicializaci\u00f3n a pesar de que los datos a\u00fan se usaban en las devoluciones de llamadas de PM en tiempo de ejecuci\u00f3n. Este error se reprodujo m\u00e1s tarde cuando se copi\u00f3 el controlador para crear el controlador qmp-usb-legacy. Restaure la inicializaci\u00f3n de los datos del controlador en la sonda para evitar una desreferencia de puntero NULL en la suspensi\u00f3n en tiempo de ejecuci\u00f3n. Aparentemente, nadie usa PM en tiempo de ejecuci\u00f3n, que actualmente debe habilitarse manualmente a trav\u00e9s de sysfs, con estos controladores."}], "id": "CVE-2024-50239", "lastModified": "2026-06-17T08:03:59.113", "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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-50239", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-01T20:16:12.384427Z", "version": "2.0.3"}}]}, "published": "2024-11-09T11:15:09.680", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/29240130ab77c80bea1464317ae2a5fd29c16a0c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7e8066811a2c43fbb5f53c2c26d389e4bab9da34"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b1cffd00daa9cf499b49a0da698eff5032914f6e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-476"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: phy: qcom: qmp-usb-legacy: fix NULL-deref on runtime suspend", "id": "2324855", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2324855"}, "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-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nphy: qcom: qmp-usb-legacy: fix NULL-deref on runtime suspend\nCommit 413db06c05e7 (\"phy: qcom-qmp-usb: clean up probe initialisation\")\nremoved most users of the platform device driver data from the\nqcom-qmp-usb driver, but mistakenly also removed the initialisation\ndespite the data still being used in the runtime PM callbacks. This bug\nwas later reproduced when the driver was copied to create the\nqmp-usb-legacy driver.\nRestore the driver data initialisation at probe to avoid a NULL-pointer\ndereference on runtime suspend.\nApparently no one uses runtime PM, which currently needs to be enabled\nmanually through sysfs, with these drivers."], "name": "CVE-2024-50239", "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": "2024-11-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50239\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50239\nhttps://lore.kernel.org/linux-cve-announce/2024110932-CVE-2024-50239-590e@gregkh/T"], "threat_severity": "Moderate"}

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