{"id":"CVE-2026-90275","revision":"35536cc934f541f186d7d066e38effee","records":[{"revision":"35536cc934f541f186d7d066e38effee","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90275","aliases":[],"title":"md/raid1: don't set array_frozen in raid1_takeover()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid1: don't set array_frozen in raid1_takeover()\n\nraid1_takeover() sets conf->array_frozen = 1 on the newly-allocated\nr1conf and nothing ever clears it, so every I/O to the array stalls\npermanently once _wait_barrier() sees it stuck at 1.\n\nThis used to be harmless: level_store() called mddev_resume() right\nafter pers->run(), which called raid1_quiesce(mddev, 0) and cleared\narray_frozen back to 0 regardless of what raid1_takeover() set. Commit\nb39f35ebe86d (\"md: don't quiesce in mddev_suspend()\") removed that\nquiesce(mddev, 0) call, so the pre-set now sticks.\n\nsetup_conf() already zero-initializes the new r1conf via kzalloc, so\njust don't set array_frozen here.\n\nSame class of bug as commit 892da88d1cd9 (\"md/raid10: fix a\n'conf->barrier' leakage in raid10_takeover()\"), also triggered by\nb39f35ebe86d.","state":0,"publishedAt":"2026-09-17T16:08:08.053+00:00","modifiedAt":"2026-10-19T09:00:52.887+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/md/raid1.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"b39f35ebe86d88788d85f61e83c81c308cb76727\",\n                            \"lessThan\": \"668d99ba47210ab6ceb18f1cf022c0accca7e3bb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b39f35ebe86d88788d85f61e83c81c308cb76727\",\n                            \"lessThan\": \"c57ec2749ee03cace564eec7bb37c89dc3d8d47b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b39f35ebe86d88788d85f61e83c81c308cb76727\",\n                            \"lessThan\": \"f9cdb5bb8efbf401e84d850828271af87e6be2dc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b39f35ebe86d88788d85f61e83c81c308cb76727\",\n                            \"lessThan\": \"b6ec4bf1ec4446c0213c08ea493e48e6b83cd1af\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b39f35ebe86d88788d85f61e83c81c308cb76727\",\n                            \"lessThan\": \"dc386aa0ac0a3ec06c9a3ea9b064b073fb72a916\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/md/raid1.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.6\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.6\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/668d99ba47210ab6ceb18f1cf022c0accca7e3bb","https://git.kernel.org/stable/c/c57ec2749ee03cace564eec7bb37c89dc3d8d47b","https://git.kernel.org/stable/c/f9cdb5bb8efbf401e84d850828271af87e6be2dc","https://git.kernel.org/stable/c/b6ec4bf1ec4446c0213c08ea493e48e6b83cd1af","https://git.kernel.org/stable/c/dc386aa0ac0a3ec06c9a3ea9b064b073fb72a916"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90275","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90275","identifiers":["CVE-2026-90275"]},"retained":false,"historicalAffected":[]}],"coverage":[]}