{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "5b3eca05cfb02ed0dbd7097c056fb08ce5f76fe3"
            },
            {
              "fixed": "8ee385305e8902fa6fbfd66b5a112238292567b6"
            },
            {
              "fixed": "6970ec944567f109ac4240f9aea58158ee8a18cd"
            },
            {
              "fixed": "e4ae30a12aa95942814957d8bc1ce7366a7107d7"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.18.0"
            },
            {
              "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/2026/93xxx/CVE-2026-93068.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix DM I2C teardown race\n\nDM I2C adapters can remain visible to userspace while DM teardown is\nalready in progress. A concurrent i2c-dev transfer may then enter\namdgpu_dm_i2c_xfer() after the backing DM state has been torn down,\nleading to a NULL pointer dereference.\n\nCreate a devres group around the DM I2C adapter lifetime and release it\nat the start of dm_hw_fini(), before HPD, IRQ, and DM state are torn\ndown. This removes the I2C adapters first and waits for in-flight users\nto drain before the structures used by amdgpu_dm_i2c_xfer() disappear.\n\nThis fixes a teardown ordering race seen during device removal:\n\nBUG: kernel NULL pointer dereference\nRIP: amdgpu_dm_i2c_xfer+0x122/0x1c0 [amdgpu]\nCall Trace:\n__i2c_transfer\ni2c_transfer\ni2cdev_ioctl_rdwr",
  "id": "CVE-2026-93068",
  "modified": "2026-09-19T03:31:04.260085577Z",
  "published": "2026-09-17T16:10:52.971Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6970ec944567f109ac4240f9aea58158ee8a18cd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8ee385305e8902fa6fbfd66b5a112238292567b6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e4ae30a12aa95942814957d8bc1ce7366a7107d7"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93068.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93068"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "drm/amd/display: Fix DM I2C teardown race"
}