{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "089d924d03d5c17b05d02992f57671ccfba1c4f0"
            },
            {
              "fixed": "c7dc382439f7b019e207055b52e9cec051d42fa9"
            },
            {
              "fixed": "f906347d75c7fc377041c6d3c535d0f08846aada"
            },
            {
              "fixed": "4d418cf8daf57e454b4d855bf9b2419fd8e6a540"
            },
            {
              "fixed": "13b6f0cdd5cd5e60f682ec43134ab0e2024bd356"
            },
            {
              "fixed": "85b6256469cebdac395e7447147e06b2e151014f"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.4.0"
            },
            {
              "fixed": "6.6.144"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.95"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.38"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64245.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: modedb: fix a possible UAF in fb_find_mode()\n\nIf mode_option is NULL, it is assigned from mode_option_buf:\n\n  if (!mode_option) {\n    fb_get_options(NULL, \u0026mode_option_buf);\n    mode_option = mode_option_buf;\n  }\n\nLater, name is assigned from mode_option:\n\n  const char *name = mode_option;\n\nHowever, mode_option_buf is freed before name is no longer used:\n\n  kfree(mode_option_buf);\n\nwhile name is still accessed by:\n\n  if ((name_matches(db[i], name, namelen) ||\n\nSince name aliases mode_option_buf, this may result in a\nuse-after-free.\n\nFix this by extending the lifetime of mode_option_buf until the end of the\nfunction by using scope-based resource management for cleanup.",
  "id": "CVE-2026-64245",
  "modified": "2026-07-28T03:56:03.634594377Z",
  "published": "2026-07-24T15:31:14.142Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/13b6f0cdd5cd5e60f682ec43134ab0e2024bd356"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4d418cf8daf57e454b4d855bf9b2419fd8e6a540"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/85b6256469cebdac395e7447147e06b2e151014f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c7dc382439f7b019e207055b52e9cec051d42fa9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f906347d75c7fc377041c6d3c535d0f08846aada"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64245.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64245"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "fbdev: modedb: fix a possible UAF in fb_find_mode()"
}