{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "031337ace2d1c22a447da6390716fe92592cdd6e"
            },
            {
              "fixed": "c57b971765f835138fa2fce3f2a171b004cbb114"
            },
            {
              "fixed": "a568939487dcbc1a3e341208585e224be897e25e"
            },
            {
              "fixed": "a29812a55da8d0dbeb071b26ac428c338e3fc389"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.20.0"
            },
            {
              "fixed": "6.12.111"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.53"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93819.json"
  },
  "details": "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 rescan or hotplug operations triggered via\nsysfs.  Such races may lead to use-after-free issues or system crashes.\n\n[bhelgaas: commit log]",
  "id": "CVE-2026-93819",
  "modified": "2026-09-27T03:30:47.095702122Z",
  "published": "2026-09-24T16:02:56.394Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a29812a55da8d0dbeb071b26ac428c338e3fc389"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a568939487dcbc1a3e341208585e224be897e25e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c57b971765f835138fa2fce3f2a171b004cbb114"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93819.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93819"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "PCI: mediatek: Protect root bus removal with rescan lock"
}