{"id":"CVE-2026-90390","state":"PUBLISHED","title":"md/bitmap: resume array on backlog_store() error path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/bitmap: resume array on backlog_store() error path\n\nbacklog_store() suspends the array before checking whether a write-mostly\ndevice exists. If no such device exists, the error path only unlocks\nreconfig_mutex and leaves the array suspended, blocking subsequent I/O.\n\nUse mddev_unlock_and_resume() to release both states.","publishedAt":"2026-09-17T16:09:24.405Z","updatedAt":"2026-10-19T09:02:54.358Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"58226942ad3d1423785f815ede5bcc832574f2ea","status":"affected","lessThan":"03aad318f0a1f039dddf98739e705fdca3bf0d86","versionType":"git"},{"version":"58226942ad3d1423785f815ede5bcc832574f2ea","status":"affected","lessThan":"6763fb409a0b4106676a52cf934440d9484b32c8","versionType":"git"},{"version":"58226942ad3d1423785f815ede5bcc832574f2ea","status":"affected","lessThan":"cc543e769b97d563b089b9e0ebf8ad361d15076f","versionType":"git"},{"version":"58226942ad3d1423785f815ede5bcc832574f2ea","status":"affected","lessThan":"2911cd0a0f4366a7e06832bc5f0a7fdcc138e4dc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/md-bitmap.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/md-bitmap.c"]}],"references":["https://git.kernel.org/stable/c/03aad318f0a1f039dddf98739e705fdca3bf0d86","https://git.kernel.org/stable/c/6763fb409a0b4106676a52cf934440d9484b32c8","https://git.kernel.org/stable/c/cc543e769b97d563b089b9e0ebf8ad361d15076f","https://git.kernel.org/stable/c/2911cd0a0f4366a7e06832bc5f0a7fdcc138e4dc"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90390.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90390","state":"PUBLISHED","datePublished":"2026-09-17T16:09:24.405Z","dateUpdated":"2026-10-19T09:02:54.358Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.810Z"},"containers":{"cna":{"title":"md/bitmap: resume array on backlog_store() error path","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmd/bitmap: resume array on backlog_store() error path\n\nbacklog_store() suspends the array before checking whether a write-mostly\ndevice exists. If no such device exists, the error path only unlocks\nreconfig_mutex and leaves the array suspended, blocking subsequent I/O.\n\nUse mddev_unlock_and_resume() to release both states."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"58226942ad3d1423785f815ede5bcc832574f2ea","status":"affected","lessThan":"03aad318f0a1f039dddf98739e705fdca3bf0d86","versionType":"git"},{"version":"58226942ad3d1423785f815ede5bcc832574f2ea","status":"affected","lessThan":"6763fb409a0b4106676a52cf934440d9484b32c8","versionType":"git"},{"version":"58226942ad3d1423785f815ede5bcc832574f2ea","status":"affected","lessThan":"cc543e769b97d563b089b9e0ebf8ad361d15076f","versionType":"git"},{"version":"58226942ad3d1423785f815ede5bcc832574f2ea","status":"affected","lessThan":"2911cd0a0f4366a7e06832bc5f0a7fdcc138e4dc","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/md-bitmap.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/md/md-bitmap.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/03aad318f0a1f039dddf98739e705fdca3bf0d86"},{"url":"https://git.kernel.org/stable/c/6763fb409a0b4106676a52cf934440d9484b32c8"},{"url":"https://git.kernel.org/stable/c/cc543e769b97d563b089b9e0ebf8ad361d15076f"},{"url":"https://git.kernel.org/stable/c/2911cd0a0f4366a7e06832bc5f0a7fdcc138e4dc"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:02:54.358Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}