{"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":"2025-12-18T11:37:43.236Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-12-18T11:37:43.236Z"},"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"]}]}]}}