{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "e4570f4bb231f01e32d44fd38841665f340d6914"
            },
            {
              "fixed": "ce582b22dd2ff15ac99101c22ec1559d1febe2ff"
            },
            {
              "fixed": "c2c255444392872cbbf46d640cb3a938e8000309"
            },
            {
              "fixed": "474f8928d50b09f7dcf507049f08732640b88b49"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.15.0"
            },
            {
              "fixed": "6.18.35"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63966.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: imu: adis16550: fix stack leak in trigger handler\n\nadis16550_trigger_handler() declares the scan data array on the stack\nwithout initializing it.  The memcpy() at the bottom fills only the\nfirst 28 bytes (TEMP + 6 channels of GYRO/ACCEL data), and\niio_push_to_buffers_with_timestamp() writes the s64 timestamp at the\n8-byte-aligned offset 32.  Bytes 28-31 remain uninitialized stack data\nwhich leaks to userspace on ever trigger.\n\nFix this all by just zero-initializing the structure on the stack.",
  "id": "CVE-2026-63966",
  "modified": "2026-07-21T03:41:51.176306968Z",
  "published": "2026-07-19T14:55:54.391Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/474f8928d50b09f7dcf507049f08732640b88b49"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c2c255444392872cbbf46d640cb3a938e8000309"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ce582b22dd2ff15ac99101c22ec1559d1febe2ff"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63966.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63966"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "iio: imu: adis16550: fix stack leak in trigger handler"
}