{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "be4c60b563edee3712d392aaeb0943a768df7023"
            },
            {
              "fixed": "929f6396baade89999ec8a1281232c101cbc727d"
            },
            {
              "fixed": "321fe3584a8298386938130d138191aa35040b75"
            },
            {
              "fixed": "ad0ad3c228b6f76fde10f32047e0ec5fbc109dc8"
            },
            {
              "fixed": "9d00a5ac7cd3d32ae61140f4b8a62f136de84e7d"
            },
            {
              "fixed": "015b5bcbcb622b32317642be91a7f79aa5413649"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "03f69244302d7954f42f528ea2d45903ebbf59f3"
            },
            {
              "last_affected": "77440c3a37203e3f4667d06e37f76ef3968d2d8c"
            },
            {
              "last_affected": "679c4f27b8958b65bb51d1c3dfdbf3befe4a33a3"
            },
            {
              "last_affected": "f88ac1330779c5bfdd79f7d7f7d4d3343c782f92"
            },
            {
              "last_affected": "f739a699db7d5a5cf39ca3ce2c84e4fe4a8f4c5d"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "4.4.244"
            },
            {
              "fixed": "4.5"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "4.9.244"
            },
            {
              "fixed": "4.10"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "4.14.161"
            },
            {
              "fixed": "4.15"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "4.19.92"
            },
            {
              "fixed": "4.20"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.4.7"
            },
            {
              "fixed": "5.5"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.5.0"
            },
            {
              "fixed": "6.6.151"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.103"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.44"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74519.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: devicetree: don't free uninitialized dev_name on error path\n\ndt_remember_or_free_map() duplicates dev_name for each map entry. If\nkstrdup_const() fails, dt_free_map() frees dev_name in all num_maps\nentries, including entries that have not been initialized.\n\nSome pinctrl drivers, including pinctrl-imx, allocate the map with\nkmalloc() and leave dev_name for the core to initialize. The untouched\nentries therefore contain uninitialized data which is passed to\nkfree_const().\n\nReproduced on qemu's mcimx6ul-evk (pinctrl-imx) with failslab injection\nwhile binding the pinctrl-consuming device, under KASAN:\n\n  BUG: KASAN: double-free in dt_free_map+0x34/0xa4\n  Free of addr c425a900 by task init/1\n   kfree from dt_free_map+0x34/0xa4\n   dt_free_map from dt_remember_or_free_map+0x184/0x198\n   dt_remember_or_free_map from pinctrl_dt_to_map+0x33c/0x4c8\n   pinctrl_dt_to_map from create_pinctrl+0x9c/0x5c0\n\nInitialize all dev_name fields to NULL before duplicating the device\nname, making the full-map cleanup safe after a partial failure.",
  "id": "CVE-2026-74519",
  "modified": "2026-08-18T03:31:01.280498601Z",
  "published": "2026-08-15T12:27:38.101Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/015b5bcbcb622b32317642be91a7f79aa5413649"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/321fe3584a8298386938130d138191aa35040b75"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/929f6396baade89999ec8a1281232c101cbc727d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9d00a5ac7cd3d32ae61140f4b8a62f136de84e7d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ad0ad3c228b6f76fde10f32047e0ec5fbc109dc8"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74519.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74519"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "pinctrl: devicetree: don't free uninitialized dev_name on error path"
}