{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47171","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-25T09:12:14.111Z","datePublished":"2024-03-25T09:16:22.993Z","dateUpdated":"2025-05-04T07:05:36.166Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:05:36.166Z"},"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  [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline]\n  [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline]\n  [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460\n  [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/smsc75xx.c"],"versions":[{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"200dbfcad8011e50c3cec269ed7b980836eeb1fa","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"22c840596af0c09068b6cf948616e6496e59e07f","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"9e6a3eccb28779710cbbafc4f4258d92509c6d07","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"b95fb96e6339e34694dd578fb6bde3575b01af17","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"635ac38b36255d3cfb8312cf7c471334f4d537e0","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"70c886ac93f87ae7214a0c69151a28a8075dd95b","status":"affected","versionType":"git"},{"version":"d0cad871703b898a442e4049c532ec39168e5b57","lessThan":"46a8b29c6306d8bbfd92b614ef65a47c900d8e70","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/usb/smsc75xx.c"],"versions":[{"version":"2.6.34","status":"affected"},{"version":"0","lessThan":"2.6.34","status":"unaffected","versionType":"semver"},{"version":"4.4.271","lessThanOrEqual":"4.4.*","status":"unaffected","versionType":"semver"},{"version":"4.9.271","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.235","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.193","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.124","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.42","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.12.9","lessThanOrEqual":"5.12.*","status":"unaffected","versionType":"semver"},{"version":"5.13","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"4.4.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"4.9.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"4.14.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"4.19.193"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.4.124"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.10.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.12.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.34","versionEndExcluding":"5.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa"},{"url":"https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f"},{"url":"https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc"},{"url":"https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07"},{"url":"https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17"},{"url":"https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0"},{"url":"https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b"},{"url":"https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70"}],"title":"net: 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