{"id":"CVE-2021-46950","details":"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).","modified":"2026-03-15T14:45:36.895183Z","published":"2024-02-27T19:04:06.420Z","related":["SUSE-SU-2024:1454-1","SUSE-SU-2024:1465-1","SUSE-SU-2024:1489-1","SUSE-SU-2024:1643-1","SUSE-SU-2024:1646-1","SUSE-SU-2024:1870-1"],"references":[{"type":"FIX","url":"https://git.kernel.org/stable/c/12216d0919b64ee2ea5dc7a50e455670f44383d5"},{"type":"FIX","url":"https://git.kernel.org/stable/c/2417b9869b81882ab90fd5ed1081a1cb2d4db1dd"},{"type":"FIX","url":"https://git.kernel.org/stable/c/538244fba59fde17186322776247cd9c05be86dd"},{"type":"FIX","url":"https://git.kernel.org/stable/c/59452e551784b7a57a45d971727e9db63b192515"},{"type":"FIX","url":"https://git.kernel.org/stable/c/661061a45e32d8b2cc0e306da9f169ad44011382"},{"type":"FIX","url":"https://git.kernel.org/stable/c/6920cef604fa57f9409e3960413e9cc11f5c5a40"},{"type":"FIX","url":"https://git.kernel.org/stable/c/a6e17cab00fc5bf85472434c52ac751426257c6f"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"4.14.147"},{"fixed":"4.14.233"}]},{"events":[{"introduced":"4.19.77"},{"fixed":"4.19.191"}]},{"events":[{"introduced":"5.2.19"},{"fixed":"5.3"}]},{"events":[{"introduced":"5.3.4"},{"fixed":"5.4.118"}]},{"events":[{"introduced":"5.5"},{"fixed":"5.10.36"}]},{"events":[{"introduced":"5.11"},{"fixed":"5.11.20"}]},{"events":[{"introduced":"5.12"},{"fixed":"5.12.3"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-46950.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}