{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4295f9bf74a885da390abc49a3b42a011c1bb890"
            },
            {
              "fixed": "0bc3d909a49e1fd8b8c3f2160d526e672c40621d"
            },
            {
              "fixed": "47008d59c60ed896085da95f8d4dd40e1677dd3a"
            },
            {
              "fixed": "d374f76e1257ecc5d691a765c512ed2c29a44741"
            },
            {
              "fixed": "b2ff450f7f5cfc7143cab57c3ad70293ba8b822a"
            },
            {
              "fixed": "9057e3f5db39f0ef0dac2f59f2bc59bf17e36c31"
            },
            {
              "fixed": "de590cdf7efec8a0b6da90ae2ab5fc5df26810b9"
            },
            {
              "fixed": "48cf0f4c6581ec90104cec9c5bf794a8bf347e30"
            },
            {
              "fixed": "d8421e09382cfe0bd2a044c8b0a822f64855dd4e"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.39"
            },
            {
              "fixed": "5.10.261"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74320.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: sm501fb: Fix buffer errors in OF binding code\n\nThe code that gets the frame buffer mode from OF has 'use after free',\n'buffer overrun' and memory leaks.\n\ninfo-\u003eedid_data isn't free if the probe functions fail or if\npd-\u003edef_mode is set.\n\nIf both the CRT and PANEL are enabled info-\u003eedid_data is used after\nbeing freed and is freed twice.\n\nThe string returned by of_get_property(np, \"mode\", \u0026len) is just\nwritten over either the static \"640x480-16@60\" or the module parameter\nstring without any regard for the length (which is most likely longer).\n\nUse kstrump() for the OF mode and free everything before freeing 'info.",
  "id": "CVE-2026-74320",
  "modified": "2026-08-18T03:31:07.057994599Z",
  "published": "2026-08-15T05:58:16.805Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0bc3d909a49e1fd8b8c3f2160d526e672c40621d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/47008d59c60ed896085da95f8d4dd40e1677dd3a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/48cf0f4c6581ec90104cec9c5bf794a8bf347e30"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9057e3f5db39f0ef0dac2f59f2bc59bf17e36c31"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b2ff450f7f5cfc7143cab57c3ad70293ba8b822a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d374f76e1257ecc5d691a765c512ed2c29a44741"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d8421e09382cfe0bd2a044c8b0a822f64855dd4e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/de590cdf7efec8a0b6da90ae2ab5fc5df26810b9"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74320.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74320"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "fbdev: sm501fb: Fix buffer errors in OF binding code"
}