{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "df0383ffad64dc09954a60873c1e202b47f08d90"
            },
            {
              "fixed": "fb7393519908befdc094be4ea913f582adbf2f7c"
            },
            {
              "fixed": "7177c215e69658adbd2f2fc5b72e14be9208d2ba"
            },
            {
              "fixed": "1f44d001620fd3caa30619a9bc73e9d15555408b"
            },
            {
              "fixed": "62efee351566321ad72a4abaf6eb7d972590585d"
            },
            {
              "fixed": "eed73a65ab609b79d53de88cccc34b36dfe753c4"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.6.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100079.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: unregister debugfs entries on teardown\n\nucsi_register() creates per-instance debugfs entries, but\nucsi_unregister() keeps them around until ucsi_destroy().\n\nDrivers like ucsi_glink that unregister/register the same UCSI\ninstance across remoteproc restart then try to create an already\nexisting debugfs directory and log:\n\n  debugfs: 'pmic_glink.ucsi.0' already exists in 'ucsi'\n\nUnregister debugfs entries as part of ucsi_unregister(), and\nclear ucsi-\u003edebugfs after freeing it so repeated unregister\npaths remain safe.",
  "id": "CVE-2026-100079",
  "modified": "2026-09-27T03:30:58.390906524Z",
  "published": "2026-09-25T13:06:49.915Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1f44d001620fd3caa30619a9bc73e9d15555408b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/62efee351566321ad72a4abaf6eb7d972590585d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7177c215e69658adbd2f2fc5b72e14be9208d2ba"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/eed73a65ab609b79d53de88cccc34b36dfe753c4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fb7393519908befdc094be4ea913f582adbf2f7c"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100079.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-100079"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "usb: typec: ucsi: unregister debugfs entries on teardown"
}