{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-22T02:32:07.191","vulnerabilities":[{"cve":{"id":"CVE-2021-47467","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-05-22T07:15:11.533","lastModified":"2025-04-02T15:11:11.353","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nkunit: fix reference count leak in kfree_at_end\n\nThe reference counting issue happens in the normal path of\nkfree_at_end(). When kunit_alloc_and_get_resource() is invoked, the\nfunction forgets to handle the returned resource object, whose refcount\nincreased inside, causing a refcount leak.\n\nFix this issue by calling kunit_alloc_resource() instead of\nkunit_alloc_and_get_resource().\n\nFixed the following when applying:\nShuah Khan <skhan@linuxfoundation.org>\n\nCHECK: Alignment should match open parenthesis\n+\tkunit_alloc_resource(test, NULL, kfree_res_free, GFP_KERNEL,\n \t\t\t\t     (void *)to_free);"},{"lang":"es","value":"En el kernel de Linux, se resolvió la siguiente vulnerabilidad: kunit: corrige la fuga del recuento de referencias en kfree_at_end El problema del recuento de referencias ocurre en la ruta normal de kfree_at_end(). Cuando se invoca kunit_alloc_and_get_resource(), la función se olvida de manejar el objeto de recurso devuelto, cuyo recuento aumentó en el interior, lo que provoca una fuga de recuento. Solucione este problema llamando a kunit_alloc_resource() en lugar de kunit_alloc_and_get_resource(). Se corrigió lo siguiente al aplicar: Shuah Khan  VERIFICAR: La alineación debe coincidir con el paréntesis abierto + kunit_alloc_resource(test, NULL, kfree_res_free, GFP_KERNEL, (void *)to_free);"}],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-Other"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.14.15","matchCriteriaId":"7B0C1B4E-5CC9-4DDA-BCEF-02A0A22BBE53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*","matchCriteriaId":"E46C74C6-B76B-4C94-A6A4-FD2FFF62D644"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*","matchCriteriaId":"60134C3A-06E4-48C1-B04F-2903732A4E56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*","matchCriteriaId":"0460DA88-8FE1-46A2-9DDA-1F1ABA552E71"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*","matchCriteriaId":"AF55383D-4DF2-45DC-93F7-571F4F978EAB"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*","matchCriteriaId":"9E9481B2-8AA6-4CBD-B5D3-C10F51FF6D01"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/bbdd158b40b66a9403391a517f24ef6613573446","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f62314b1ced25c58b86e044fc951cd6a1ea234cf","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/bbdd158b40b66a9403391a517f24ef6613573446","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f62314b1ced25c58b86e044fc951cd6a1ea234cf","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}