{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47495", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-22T06:20:56.202Z", "datePublished": "2024-05-22T08:19:42.732Z", "dateUpdated": "2026-05-11T13:55:45.266Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:55:45.266Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusbnet: sanity check for maxpacket\n\nmaxpacket of 0 makes no sense and oopses as we need to divide\nby it. Give up.\n\nV2: fixed typo in log and stylistic issues" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/usb/usbnet.c" ], "versions": [ { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "b9eba0a4a527e04d712f0e0401e5391ef124b33e", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "524f333e98138d909a0a0c574a9ff6737dce2767", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "74b3b27cf9fecce00cd8918b7882fd81191d0aa4", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "002d82227c0abe29118cf80f7e2f396b22d448ed", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "492140e45d2bf27c1014243f8616a9b612144e20", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "693ecbe8f799405f8775719deedb1f76265d375a", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "7e8b6a4f18edee070213cb6a77118e8a412253c5", "status": "affected", "versionType": "git" }, { "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "397430b50a363d8b7bdda00522123f82df6adc5e", "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/usbnet.c" ], "versions": [ { "version": "2.6.12", "status": "affected" }, { "version": "0", "lessThan": "2.6.12", "status": "unaffected", "versionType": "semver" }, { "version": "4.4.291", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.289", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.254", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.215", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.157", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.77", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.14.16", "lessThanOrEqual": "5.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15", "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": "2.6.12", "versionEndExcluding": "4.4.291" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "4.9.289" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "4.14.254" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "4.19.215" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.4.157" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.10.77" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.14.16" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.15" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/b9eba0a4a527e04d712f0e0401e5391ef124b33e" }, { "url": "https://git.kernel.org/stable/c/524f333e98138d909a0a0c574a9ff6737dce2767" }, { "url": "https://git.kernel.org/stable/c/74b3b27cf9fecce00cd8918b7882fd81191d0aa4" }, { "url": "https://git.kernel.org/stable/c/002d82227c0abe29118cf80f7e2f396b22d448ed" }, { "url": "https://git.kernel.org/stable/c/492140e45d2bf27c1014243f8616a9b612144e20" }, { "url": "https://git.kernel.org/stable/c/693ecbe8f799405f8775719deedb1f76265d375a" }, { "url": "https://git.kernel.org/stable/c/7e8b6a4f18edee070213cb6a77118e8a412253c5" }, { "url": "https://git.kernel.org/stable/c/397430b50a363d8b7bdda00522123f82df6adc5e" } ], "title": "usbnet: sanity check for maxpacket", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47495", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-05-22T15:49:07.936135Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:15:06.481Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.809Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/b9eba0a4a527e04d712f0e0401e5391ef124b33e", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/524f333e98138d909a0a0c574a9ff6737dce2767", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/74b3b27cf9fecce00cd8918b7882fd81191d0aa4", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/002d82227c0abe29118cf80f7e2f396b22d448ed", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/492140e45d2bf27c1014243f8616a9b612144e20", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/693ecbe8f799405f8775719deedb1f76265d375a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/7e8b6a4f18edee070213cb6a77118e8a412253c5", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/397430b50a363d8b7bdda00522123f82df6adc5e", "tags": [ "x_transferred" ] } ] } ] } }