{"id":"CVE-2026-98211","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: mmci: Fix use-after-free in busy-timeout work\n\nux500_busy_complete() can queue ux500_busy_timeout_work for an R1b\ncommand, but mmci_remove() never cancels it","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: mmci: Fix use-after-free in busy-timeout work\n\nux500_busy_complete() can queue ux500_busy_timeout_work for an R1b\ncommand, but mmci_remove() never cancels it. The …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= b1a665932dc23cad0b8af2745cd9713f9e930d63 < af6fbf72e899932f330c4e5d0b84d985c922c633","Linux >= b1a665932dc23cad0b8af2745cd9713f9e930d63 < 7fecf79f31568de161be14911db10d1251617b01","Linux >= b1a665932dc23cad0b8af2745cd9713f9e930d63 < 432b98c1f5daecf04a33c8e1688d26e7ac221e23","Linux >= b1a665932dc23cad0b8af2745cd9713f9e930d63 < 2b19cf3e50cddaff07b657dae1a8f30f06032852","Linux 6.5"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T09:18:07.497","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98211","references":[{"url":"https://git.kernel.org/stable/c/2b19cf3e50cddaff07b657dae1a8f30f06032852","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/432b98c1f5daecf04a33c8e1688d26e7ac221e23","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7fecf79f31568de161be14911db10d1251617b01","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/af6fbf72e899932f330c4e5d0b84d985c922c633","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-06T08:50:17.443Z","slug":"CVE-2026-98211","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmmc: mmci: Fix use-after-free in busy-timeout work\n\nux500_busy_complete() can queue ux500_busy_timeout_work for an R1b\ncommand, but mmci_remove() never cancels it. The work can subsequently\ndereference the devm-allocated mmci_host after it has been released.\n\nMask the controller interrupts and disable the delayed work during\nremoval. This drains any queued instance and stops an IRQ handler that\nis still in progress from queueing the work again once it has been\ndisabled.\n\nThis issue was found by an in-house static analysis tool.\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":[]}