{"id":"CVE-2026-93819","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: mediatek: Protect root bus removal with rescan lock\n\nHold the pci_rescan_remove_lock lock while stopping and removing a root bus\nto avoid racing with concurrent re…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: mediatek: Protect root bus removal with rescan lock\n\nHold the pci_rescan_remove_lock lock while stopping and removing a root bus\nto avoid racing with concurrent re…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 031337ace2d1c22a447da6390716fe92592cdd6e < d54417acb22d9e8bc404a8598330bc9729ee7146","Linux >= 031337ace2d1c22a447da6390716fe92592cdd6e < 5dd379acfa38c516e904bcfa693502cd585a0bba","Linux >= 031337ace2d1c22a447da6390716fe92592cdd6e < 8d910649725955435c6a807944108bca0570712d","Linux >= 031337ace2d1c22a447da6390716fe92592cdd6e < 31e33dcc896527b3ad790fdc6aa6b8d2995c078b","Linux >= 031337ace2d1c22a447da6390716fe92592cdd6e < c57b971765f835138fa2fce3f2a171b004cbb114","Linux >= 031337ace2d1c22a447da6390716fe92592cdd6e < a568939487dcbc1a3e341208585e224be897e25e","Linux >= 031337ace2d1c22a447da6390716fe92592cdd6e < a29812a55da8d0dbeb071b26ac428c338e3fc389","Linux 4.20"],"published":"2026-09-24","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:17:51.670","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93819","references":[{"url":"https://git.kernel.org/stable/c/31e33dcc896527b3ad790fdc6aa6b8d2995c078b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5dd379acfa38c516e904bcfa693502cd585a0bba","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8d910649725955435c6a807944108bca0570712d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a29812a55da8d0dbeb071b26ac428c338e3fc389","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a568939487dcbc1a3e341208585e224be897e25e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c57b971765f835138fa2fce3f2a171b004cbb114","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d54417acb22d9e8bc404a8598330bc9729ee7146","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00173,"epssPercentile":0.06646,"ingestedAt":"2026-09-24T16:47:15.893Z","slug":"CVE-2026-93819","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nPCI: mediatek: Protect root bus removal with rescan lock\n\nHold the pci_rescan_remove_lock lock while stopping and removing a root bus\nto avoid racing with concurrent rescan or hotplug operations triggered via\nsysfs.  Such races may lead to use-after-free issues or system crashes.\n\n[bhelgaas: commit log]\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":[]}