{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-12T21:19:52.919","vulnerabilities":[{"cve":{"id":"CVE-2021-47596","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-06-19T15:15:54.197","lastModified":"2024-11-21T06:36:37.920","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: fix use-after-free bug in hclgevf_send_mbx_msg\n\nCurrently, the hns3_remove function firstly uninstall client instance,\nand then uninstall acceletion engine device. The netdevice is freed in\nclient instance uninstall process, but acceletion engine device uninstall\nprocess still use it to trace runtime information. This causes a use after\nfree problem.\n\nSo fixes it by check the instance register state to avoid use after free."},{"lang":"es","value":"En el kernel de Linux, se resolvió la siguiente vulnerabilidad: net: hns3: corrige el error de use-after-free en hclgevf_send_mbx_msg Actualmente, la función hns3_remove desinstala primero la instancia del cliente y luego desinstala el dispositivo del motor de aceleración. El dispositivo de red se libera en el proceso de desinstalación de la instancia del cliente, pero el proceso de desinstalación del dispositivo del motor de aceleración aún lo utiliza para rastrear la información del tiempo de ejecución. Esto provoca un problema de use-after-free. Entonces lo soluciona verificando el estado del registro de la instancia para evitar use after free."}],"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:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-416"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.10.88","matchCriteriaId":"B4DD5FED-5CAF-4693-B5A1-1624BA9DBF0D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.11","matchCriteriaId":"11274E95-438A-449A-B100-01B2B0046669"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/12512bc8f25b8ba9795dfbae0e9ca57ff13fd542","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/27cbf64a766e86f068ce6214f04c00ceb4db1af4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/4f4a353f6fe033807cd026a5de81c67469ff19b0","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/12512bc8f25b8ba9795dfbae0e9ca57ff13fd542","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/27cbf64a766e86f068ce6214f04c00ceb4db1af4","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/4f4a353f6fe033807cd026a5de81c67469ff19b0","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}