{ "id": "CVE-2021-47171", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-03-25T10:15:08.917", "lastModified": "2024-11-21T06:35:32.923", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: fix memory leak in smsc75xx_bind\n\nSyzbot reported memory leak in smsc75xx_bind().\nThe problem was is non-freed memory in case of\nerrors after memory allocation.\n\nbacktrace:\n [] kmalloc include/linux/slab.h:556 [inline]\n [] kzalloc include/linux/slab.h:686 [inline]\n [] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460\n [] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728" }, { "lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net: usb: corrige la p\u00e9rdida de memoria en smsc75xx_bind Syzbot inform\u00f3 una p\u00e9rdida de memoria en smsc75xx_bind(). El problema era que la memoria no se liberaba en caso de errores despu\u00e9s de la asignaci\u00f3n de memoria. backtrace: [] kmalloc include/linux/slab.h:556 [en l\u00ednea] [] kzalloc include/linux/slab.h:686 [en l\u00ednea] [] smsc75xx_bind+0x7a/0x334 controladores/ net/usb/smsc75xx.c:1460 [] usbnet_probe+0x3b6/0xc30 controladores/net/usb/usbnet.c:1728" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-401" } ] } ], "configurations": 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