{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47306","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-21T13:27:52.133Z","datePublished":"2024-05-21T14:35:26.005Z","dateUpdated":"2025-05-04T07:08:21.801Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:08:21.801Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fddi: fix UAF in fza_probe\n\nfp is netdev private data and it cannot be\nused after free_netdev() call. Using fp after free_netdev()\ncan cause UAF bug. Fix it by moving free_netdev() after error message.\n\nTURBOchannel adapter\")"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/fddi/defza.c"],"versions":[{"version":"61414f5ec9834df8aa4f55c90de16b71a3d6ca8d","lessThan":"04b06716838bfc26742dbed3ae1d3697fe5317ee","status":"affected","versionType":"git"},{"version":"61414f5ec9834df8aa4f55c90de16b71a3d6ca8d","lessThan":"f33605908a9b6063525e9f68e62d739948c5fccf","status":"affected","versionType":"git"},{"version":"61414f5ec9834df8aa4f55c90de16b71a3d6ca8d","lessThan":"bdfbb51f7a437ae8ea91317a5c133ec13adf3c47","status":"affected","versionType":"git"},{"version":"61414f5ec9834df8aa4f55c90de16b71a3d6ca8d","lessThan":"deb7178eb940e2c5caca1b1db084a69b2e59b4c9","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/fddi/defza.c"],"versions":[{"version":"4.20","status":"affected"},{"version":"0","lessThan":"4.20","status":"unaffected","versionType":"semver"},{"version":"5.4.135","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.53","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.13.5","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":"4.20","versionEndExcluding":"5.4.135"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.10.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.13.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.14"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee"},{"url":"https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf"},{"url":"https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47"},{"url":"https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9"}],"title":"net: fddi: fix UAF in fza_probe","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47306","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-28T15:52:18.778665Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:14:18.861Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:32:08.444Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9","tags":["x_transferred"]}]}]}}