{"id":"CVE-2026-90390","title":"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","summary":"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…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 58226942ad3d1423785f815ede5bcc832574f2ea < 03aad318f0a1f039dddf98739e705fdca3bf0d86","Linux >= 58226942ad3d1423785f815ede5bcc832574f2ea < 6763fb409a0b4106676a52cf934440d9484b32c8","Linux >= 58226942ad3d1423785f815ede5bcc832574f2ea < cc543e769b97d563b089b9e0ebf8ad361d15076f","Linux >= 58226942ad3d1423785f815ede5bcc832574f2ea < 2911cd0a0f4366a7e06832bc5f0a7fdcc138e4dc","Linux 6.7"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:17:38.530","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90390","references":[{"url":"https://git.kernel.org/stable/c/03aad318f0a1f039dddf98739e705fdca3bf0d86","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2911cd0a0f4366a7e06832bc5f0a7fdcc138e4dc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6763fb409a0b4106676a52cf934440d9484b32c8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cc543e769b97d563b089b9e0ebf8ad361d15076f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.803Z","epss":0.00209,"epssPercentile":0.09774,"slug":"CVE-2026-90390","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}