{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-46950","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-25T13:45:52.722Z","datePublished":"2024-02-27T18:40:34.106Z","dateUpdated":"2025-05-07T20:05:45.419Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T12:40:35.593Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid1: properly indicate failure when ending a failed write request\n\nThis patch addresses a data corruption bug in raid1 arrays using bitmaps.\nWithout this fix, the bitmap bits for the failed I/O end up being cleared.\n\nSince we are in the failure leg of raid1_end_write_request, the request\neither needs to be retried (R1BIO_WriteError) or failed (R1BIO_Degraded)."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/raid1.c"],"versions":[{"version":"900c531899f5ee2321bef79e20055787bc73251d","lessThan":"12216d0919b64ee2ea5dc7a50e455670f44383d5","status":"affected","versionType":"git"},{"version":"1cd972e0a10760a1fa27d9830d78446c891c23b6","lessThan":"a6e17cab00fc5bf85472434c52ac751426257c6f","status":"affected","versionType":"git"},{"version":"eeba6809d8d58908b5ed1b5ceb5fcb09a98a7cad","lessThan":"6920cef604fa57f9409e3960413e9cc11f5c5a40","status":"affected","versionType":"git"},{"version":"eeba6809d8d58908b5ed1b5ceb5fcb09a98a7cad","lessThan":"661061a45e32d8b2cc0e306da9f169ad44011382","status":"affected","versionType":"git"},{"version":"eeba6809d8d58908b5ed1b5ceb5fcb09a98a7cad","lessThan":"59452e551784b7a57a45d971727e9db63b192515","status":"affected","versionType":"git"},{"version":"eeba6809d8d58908b5ed1b5ceb5fcb09a98a7cad","lessThan":"538244fba59fde17186322776247cd9c05be86dd","status":"affected","versionType":"git"},{"version":"eeba6809d8d58908b5ed1b5ceb5fcb09a98a7cad","lessThan":"2417b9869b81882ab90fd5ed1081a1cb2d4db1dd","status":"affected","versionType":"git"},{"version":"a1f4fcb880988a96c0b2d5c3305ffc4e49eca0ed","status":"affected","versionType":"git"},{"version":"344242d50f468a250bf4b6136934392758412ed8","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/md/raid1.c"],"versions":[{"version":"5.4","status":"affected"},{"version":"0","lessThan":"5.4","status":"unaffected","versionType":"semver"},{"version":"4.14.233","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.191","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.118","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.36","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.11.20","lessThanOrEqual":"5.11.*","status":"unaffected","versionType":"semver"},{"version":"5.12.3","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":"4.14.147","versionEndExcluding":"4.14.233"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.77","versionEndExcluding":"4.19.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.4.118"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.10.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.11.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.12.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3.4"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/12216d0919b64ee2ea5dc7a50e455670f44383d5"},{"url":"https://git.kernel.org/stable/c/a6e17cab00fc5bf85472434c52ac751426257c6f"},{"url":"https://git.kernel.org/stable/c/6920cef604fa57f9409e3960413e9cc11f5c5a40"},{"url":"https://git.kernel.org/stable/c/661061a45e32d8b2cc0e306da9f169ad44011382"},{"url":"https://git.kernel.org/stable/c/59452e551784b7a57a45d971727e9db63b192515"},{"url":"https://git.kernel.org/stable/c/538244fba59fde17186322776247cd9c05be86dd"},{"url":"https://git.kernel.org/stable/c/2417b9869b81882ab90fd5ed1081a1cb2d4db1dd"}],"title":"md/raid1: properly indicate failure when ending a failed write request","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-noinfo Not enough information"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-04-22T16:05:03.732905Z","id":"CVE-2021-46950","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-05-07T20:05:45.419Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:17:43.080Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/12216d0919b64ee2ea5dc7a50e455670f44383d5","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/a6e17cab00fc5bf85472434c52ac751426257c6f","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/6920cef604fa57f9409e3960413e9cc11f5c5a40","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/661061a45e32d8b2cc0e306da9f169ad44011382","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/59452e551784b7a57a45d971727e9db63b192515","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/538244fba59fde17186322776247cd9c05be86dd","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/2417b9869b81882ab90fd5ed1081a1cb2d4db1dd","tags":["x_transferred"]}]}]}}