{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-02T18:04:11.430","vulnerabilities":[{"cve":{"id":"CVE-2021-47235","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-05-21T15:15:12.777","lastModified":"2024-12-30T19:06:05.170","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: fix potential use-after-free in ec_bhf_remove\n\nstatic void ec_bhf_remove(struct pci_dev *dev)\n{\n...\n\tstruct ec_bhf_priv *priv = netdev_priv(net_dev);\n\n\tunregister_netdev(net_dev);\n\tfree_netdev(net_dev);\n\n\tpci_iounmap(dev, priv->dma_io);\n\tpci_iounmap(dev, priv->io);\n...\n}\n\npriv is netdev private data, but it is used\nafter free_netdev(). It can cause use-after-free when accessing priv\npointer. So, fix it by moving free_netdev() after pci_iounmap()\ncalls."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: ethernet: soluciona el posible use after free en ec_bhf_remove static void ec_bhf_remove(struct pci_dev *dev) { ... struct ec_bhf_priv *priv = netdev_priv(net_dev); anular el registro_netdev(net_dev); free_netdev(net_dev); pci_iounmap(dev, priv->dma_io); pci_iounmap(dev, priv->io); ... } priv son datos privados de netdev, pero se usan después de free_netdev(). Puede causar use after free al acceder al puntero privado. Entonces, solucionelo moviendo free_netdev() después de las llamadas a pci_iounmap()."}],"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":"3.15","versionEndExcluding":"4.4.274","matchCriteriaId":"12B80E2D-F99D-4896-BDCE-616D6FED6E4E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"4.9.274","matchCriteriaId":"0A84D5BC-006F-41C5-A54D-6D45236009B3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"4.14.238","matchCriteriaId":"C3C0DBBF-0923-4D2A-9178-134691F9933F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"4.19.196","matchCriteriaId":"F3CAB837-7D38-4934-AD4F-195CEFD754E6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.128","matchCriteriaId":"6267BD4E-BE25-48B5-B850-4B493440DAFA"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.46","matchCriteriaId":"59455D13-A902-42E1-97F7-5ED579777193"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.12.13","matchCriteriaId":"7806E7E5-6D4F-4E18-81C1-79B3C60EE855"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*","matchCriteriaId":"0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*","matchCriteriaId":"96AC23B2-D46A-49D9-8203-8E1BEDCA8532"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*","matchCriteriaId":"DA610E30-717C-4700-9F77-A3C9244F3BFD"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*","matchCriteriaId":"1ECD33F5-85BE-430B-8F86-8D7BD560311D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.13:rc5:*:*:*:*:*:*","matchCriteriaId":"CF351855-2437-4CF5-AD7C-BDFA51F27683"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.13:rc6:*:*:*:*:*:*","matchCriteriaId":"25A855BA-2118-44F2-90EF-EBBB12AF51EF"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0260916843cc74f3906acf8b6f256693e01530a2","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/19f88ca68ccf8771276a606765239b167654f84a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/1cafc540b7bf1b6a5a77dc000205fe337ef6eba6","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/95deeb29d831e2fae608439e243e7a520611e7ea","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/9cca0c2d70149160407bda9a9446ce0c29b6e6c6","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b1ad283755095a4b9d1431aeb357d7df1a33d3bb","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/d11d79e52ba080ee567cb7d7eb42a5ade60a8130","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/db2bc3cfd2bc01621014d4f17cdfc74611f339c8","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/0260916843cc74f3906acf8b6f256693e01530a2","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/19f88ca68ccf8771276a606765239b167654f84a","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/1cafc540b7bf1b6a5a77dc000205fe337ef6eba6","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/95deeb29d831e2fae608439e243e7a520611e7ea","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/9cca0c2d70149160407bda9a9446ce0c29b6e6c6","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b1ad283755095a4b9d1431aeb357d7df1a33d3bb","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable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