{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47149","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-04T18:12:48.845Z","datePublished":"2024-03-25T09:07:45.189Z","dateUpdated":"2025-12-18T11:35:44.359Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-12-18T11:35:44.359Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fujitsu: fix potential null-ptr-deref\n\nIn fmvj18x_get_hwinfo(), if ioremap fails there will be NULL pointer\nderef. To fix this, check the return value of ioremap and return -1\nto the caller in case of failure."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/fujitsu/fmvj18x_cs.c"],"versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"b92170e209f7746ed72eaac98f2c2f4b9af734e6","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"6dbf1101594f7c76990b63c35b5a40205a914b6b","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"c4f1c23edbe921ab2ecd6140d700e756cd44c5f7","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"7883d3895d0fbb0ba9bff0f8665f99974b45210f","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"22049c3d40f08facd1867548716a484dad6b3251","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"71723a796ab7881f491d663c6cd94b29be5fba50","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"f14bf57a08779a5dee9936f63ada0149ea89c5e6","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"52202be1cd996cde6e8969a128dc27ee45a7cb5e","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/fujitsu/fmvj18x_cs.c"],"versions":[{"version":"2.6.12","status":"affected"},{"version":"0","lessThan":"2.6.12","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":"2.6.12","versionEndExcluding":"4.4.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"4.9.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"4.14.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"4.19.193"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.4.124"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.10.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.12.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6"},{"url":"https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6b"},{"url":"https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7"},{"url":"https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210f"},{"url":"https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251"},{"url":"https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50"},{"url":"https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6"},{"url":"https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5e"}],"title":"net: 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