{"id":"CVE-2021-47149","state":"PUBLISHED","title":"net: fujitsu: fix potential null-ptr-deref","description":"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.","publishedAt":"2024-03-25T09:07:45.189Z","updatedAt":"2026-05-11T13:48:58.947Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"b92170e209f7746ed72eaac98f2c2f4b9af734e6","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"6dbf1101594f7c76990b63c35b5a40205a914b6b","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"c4f1c23edbe921ab2ecd6140d700e756cd44c5f7","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"7883d3895d0fbb0ba9bff0f8665f99974b45210f","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"22049c3d40f08facd1867548716a484dad6b3251","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"71723a796ab7881f491d663c6cd94b29be5fba50","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"f14bf57a08779a5dee9936f63ada0149ea89c5e6","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"52202be1cd996cde6e8969a128dc27ee45a7cb5e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/fujitsu/fmvj18x_cs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"4.4.271","status":"unaffected","lessThanOrEqual":"4.4.*","versionType":"semver"},{"version":"4.9.271","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.235","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.193","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.124","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.42","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.12.9","status":"unaffected","lessThanOrEqual":"5.12.*","versionType":"semver"},{"version":"5.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/fujitsu/fmvj18x_cs.c"]}],"references":["https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6","https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6b","https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7","https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210f","https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251","https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50","https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6","https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5e"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47149.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47149","state":"PUBLISHED","datePublished":"2024-03-25T09:07:45.189Z","dateUpdated":"2026-05-11T13:48:58.947Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-03-04T18:12:48.845Z"},"containers":{"cna":{"title":"net: fujitsu: fix potential null-ptr-deref","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"b92170e209f7746ed72eaac98f2c2f4b9af734e6","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"6dbf1101594f7c76990b63c35b5a40205a914b6b","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"c4f1c23edbe921ab2ecd6140d700e756cd44c5f7","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"7883d3895d0fbb0ba9bff0f8665f99974b45210f","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"22049c3d40f08facd1867548716a484dad6b3251","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"71723a796ab7881f491d663c6cd94b29be5fba50","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"f14bf57a08779a5dee9936f63ada0149ea89c5e6","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"52202be1cd996cde6e8969a128dc27ee45a7cb5e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/fujitsu/fmvj18x_cs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"4.4.271","status":"unaffected","lessThanOrEqual":"4.4.*","versionType":"semver"},{"version":"4.9.271","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.235","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.193","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.124","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.42","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.12.9","status":"unaffected","lessThanOrEqual":"5.12.*","versionType":"semver"},{"version":"5.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/fujitsu/fmvj18x_cs.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T13:48:58.947Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47149","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-04-01T19:41:00.802890Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-04T17:14:37.742Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6b","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210f","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5e","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T05:24:40.033Z"}}]}}}