{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"
            },
            {
              "fixed": "e51238718217c4abdb3ccc3b0c0cde265c7ec629"
            },
            {
              "fixed": "b2bd2ee73b697c177157bba534e1b1064c2e66a0"
            },
            {
              "fixed": "29ef43ceb121d67b87f4cbb08439e4e9e732eff8"
            },
            {
              "fixed": "1a6da3dbb9985d00743073a1cc1f96e59f5abc30"
            },
            {
              "fixed": "145e50c2c700fa52b840df7bab206043997dd18e"
            },
            {
              "fixed": "8bde543d2a5f935ba2a6a6325a2e02f8a9256fbe"
            },
            {
              "fixed": "f2b65dcb78c8990e4c68a906627433be1fe38a92"
            },
            {
              "fixed": "24d87712727a5017ad142d63940589a36cd25647"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.12"
            },
            {
              "fixed": "5.10.253"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.203"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.167"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.130"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.78"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.19"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31405.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-net: fix OOB access in ULE extension header tables\n\nThe ule_mandatory_ext_handlers[] and ule_optional_ext_handlers[] tables\nin handle_one_ule_extension() are declared with 255 elements (valid\nindices 0-254), but the index htype is derived from network-controlled\ndata as (ule_sndu_type \u0026 0x00FF), giving a range of 0-255. When\nhtype equals 255, an out-of-bounds read occurs on the function pointer\ntable, and the OOB value may be called as a function pointer.\n\nAdd a bounds check on htype against the array size before either table\nis accessed. Out-of-range values now cause the SNDU to be discarded.",
  "id": "CVE-2026-31405",
  "modified": "2026-07-08T05:37:46.879681287Z",
  "published": "2026-04-06T07:33:00.544Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/145e50c2c700fa52b840df7bab206043997dd18e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1a6da3dbb9985d00743073a1cc1f96e59f5abc30"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/24d87712727a5017ad142d63940589a36cd25647"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/29ef43ceb121d67b87f4cbb08439e4e9e732eff8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8bde543d2a5f935ba2a6a6325a2e02f8a9256fbe"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b2bd2ee73b697c177157bba534e1b1064c2e66a0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e51238718217c4abdb3ccc3b0c0cde265c7ec629"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f2b65dcb78c8990e4c68a906627433be1fe38a92"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31405.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31405"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "media: dvb-net: fix OOB access in ULE extension header tables"
}