CVE-2021-47624

{"id": "CVE-2021-47624", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 1.8}]}, "published": "2024-07-16T12:15:02.553", "references": [{"url": "https://git.kernel.org/stable/c/4b22aa42bd4d2d630ef1854c139275c3532937cb", "tags": ["Mailing List", "Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5f6024c05a2c0fdd180b29395aaf686d25af3a0f", "tags": ["Mailing List", "Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/776d794f28c95051bc70405a7b1fa40115658a18", "tags": ["Mailing List", "Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sunrpc: fix reference count leaks in rpc_sysfs_xprt_state_change\n\nThe refcount leak issues take place in an error handling path. When the\n3rd argument buf doesn't match with \"offline\", \"online\" or \"remove\", the\nfunction simply returns -EINVAL and forgets to decrease the reference\ncount of a rpc_xprt object and a rpc_xprt_switch object increased by\nrpc_sysfs_xprt_kobj_get_xprt() and\nrpc_sysfs_xprt_kobj_get_xprt_switch(), causing reference count leaks of\nboth unused objects.\n\nFix this issue by jumping to the error handling path labelled with\nout_put when buf matches none of \"offline\", \"online\" or \"remove\"."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net/sunrpc: corrige fugas de recuento de referencias en rpc_sysfs_xprt_state_change Los problemas de fugas de recuento tienen lugar en una ruta de manejo de errores. Cuando el tercer argumento buf no coincide con \"fuera de l\u00ednea\", \"en l\u00ednea\" o \"eliminar\", la funci\u00f3n simplemente devuelve -EINVAL y se olvida de disminuir el recuento de referencias de un objeto rpc_xprt y un objeto rpc_xprt_switch aumentado en rpc_sysfs_xprt_kobj_get_xprt() y rpc_sysfs_xprt_kobj_get_xprt_switch (), lo que provoca fugas en el recuento de referencias de ambos objetos no utilizados. Solucione este problema saltando a la ruta de manejo de errores etiquetada con out_put cuando buf no coincida con \"fuera de l\u00ednea\", \"en l\u00ednea\" o \"eliminar\"."}], "lastModified": "2024-08-21T17:43:52.917", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9064E0A6-C05B-4161-9FB1-A2CC0F00A07A", "versionEndExcluding": "5.15.24"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "679523BA-1392-404B-AB85-F5A5408B1ECC", "versionEndExcluding": "5.16.10", "versionStartIncluding": "5.16"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}