{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "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": "2026-05-11T13:49:21.036Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:49:21.036Z" }, "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 [] kmalloc include/linux/slab.h:556 [inline]\n [] kzalloc include/linux/slab.h:686 [inline]\n [] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460\n [] 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: usb: fix memory leak in smsc75xx_bind", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "providerMetadata": { "orgId": 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