{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47301","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-21T13:27:52.132Z","datePublished":"2024-05-21T14:35:22.705Z","dateUpdated":"2025-05-04T07:08:16.461Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:08:16.461Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nigb: Fix use-after-free error during reset\n\nCleans the next descriptor to watch (next_to_watch) when cleaning the\nTX ring.\n\nFailure to do so can cause invalid memory accesses. If igb_poll() runs\nwhile the controller is reset this can lead to the driver try to free\na skb that was already freed.\n\n(The crash is harder to reproduce with the igb driver, but the same\npotential problem exists as the code is identical to igc)"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/intel/igb/igb_main.c"],"versions":[{"version":"7cc6fd4c60f267e17b0baef1580d7a6258c0a6f0","lessThan":"d7367f781e5a9ca5df9082b15b272b55e76931f8","status":"affected","versionType":"git"},{"version":"7cc6fd4c60f267e17b0baef1580d7a6258c0a6f0","lessThan":"d3ccb18ed5ac3283c7b31ecc685b499e580d5492","status":"affected","versionType":"git"},{"version":"7cc6fd4c60f267e17b0baef1580d7a6258c0a6f0","lessThan":"88e0720133d42d34851c8721cf5f289a50a8710f","status":"affected","versionType":"git"},{"version":"7cc6fd4c60f267e17b0baef1580d7a6258c0a6f0","lessThan":"f153664d8e70c11d0371341613651e1130e20240","status":"affected","versionType":"git"},{"version":"7cc6fd4c60f267e17b0baef1580d7a6258c0a6f0","lessThan":"8e24c12f2ff6d32fd9f057382f08e748ec97194c","status":"affected","versionType":"git"},{"version":"7cc6fd4c60f267e17b0baef1580d7a6258c0a6f0","lessThan":"7b292608db23ccbbfbfa50cdb155d01725d7a52e","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/ethernet/intel/igb/igb_main.c"],"versions":[{"version":"4.12","status":"affected"},{"version":"0","lessThan":"4.12","status":"unaffected","versionType":"semver"},{"version":"4.14.241","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.199","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.136","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.54","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.13.6","lessThanOrEqual":"5.13.*","status":"unaffected","versionType":"semver"},{"version":"5.14","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":"4.12","versionEndExcluding":"4.14.241"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"4.19.199"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"5.4.136"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"5.10.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"5.13.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"5.14"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d7367f781e5a9ca5df9082b15b272b55e76931f8"},{"url":"https://git.kernel.org/stable/c/d3ccb18ed5ac3283c7b31ecc685b499e580d5492"},{"url":"https://git.kernel.org/stable/c/88e0720133d42d34851c8721cf5f289a50a8710f"},{"url":"https://git.kernel.org/stable/c/f153664d8e70c11d0371341613651e1130e20240"},{"url":"https://git.kernel.org/stable/c/8e24c12f2ff6d32fd9f057382f08e748ec97194c"},{"url":"https://git.kernel.org/stable/c/7b292608db23ccbbfbfa50cdb155d01725d7a52e"}],"title":"igb: Fix use-after-free error during reset","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:32:08.341Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/d7367f781e5a9ca5df9082b15b272b55e76931f8","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/d3ccb18ed5ac3283c7b31ecc685b499e580d5492","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/88e0720133d42d34851c8721cf5f289a50a8710f","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f153664d8e70c11d0371341613651e1130e20240","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/8e24c12f2ff6d32fd9f057382f08e748ec97194c","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/7b292608db23ccbbfbfa50cdb155d01725d7a52e","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47301","role":"CISA 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