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When stub_probe() fails\nafter that, usb_put_dev() needs to be called to release the reference.\n\nFix this by moving usb_put_dev() to sdev_free error path handling.\n\nFind this by code review."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: usbip: se corrige una p\u00e9rdida de recuento de referencias en stub_probe(). Se llama a usb_get_dev() en stub_device_alloc(). Cuando stub_probe() falla despu\u00e9s de eso, se debe llamar a usb_put_dev() para liberar la referencia. Corrija esto moviendo usb_put_dev() a la gesti\u00f3n de la ruta de error sdev_free. Encuentre esto mediante la revisi\u00f3n del c\u00f3digo."}], "id": "CVE-2022-49389", "lastModified": "2025-04-17T20:47:02.810", "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": "2025-02-26T07:01:15.527", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/11c65408bd0ba1d9cd1307caa38169292de9cdfb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/247d3809e45a34d9e1a3a2bb7012e31ed8b46031"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2f0ae93ec33c8456cdfbf7876b80403a6318ebce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/51422046be504515eb5a591adf0f424b62f46804"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6bafee2f18af5e5ac125e42960bc65496d0e56a0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8afb048800919d0ab10c57983940eba956339f21"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9ec4cbf1cc55d126759051acfe328d489c5d6e60"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bcbb795a9e78180d74c6ab21518da87e803dfdce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f20d2d3b3364ce6525c050a8b6b4c54c8c19674d"}], "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: usb: usbip: fix a refcount leak in stub_probe()", "id": "2347796", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347796"}, "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:\nusb: usbip: fix a refcount leak in stub_probe()\nusb_get_dev() is called in stub_device_alloc(). When stub_probe() fails\nafter that, usb_put_dev() needs to be called to release the reference.\nFix this by moving usb_put_dev() to sdev_free error path handling.\nFind this by code review."], "name": "CVE-2022-49389", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "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-2022-49389\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49389\nhttps://lore.kernel.org/linux-cve-announce/2025022649-CVE-2022-49389-c9ca@gregkh/T"], "threat_severity": "Moderate"}