{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "b4c625c67362b3940f619c1a836b4e8329106658"
            },
            {
              "fixed": "c96c6f01d84b5c67db1bf1cc8591c0b7146826fc"
            },
            {
              "fixed": "ef4851d8324fd978ca1ff9ec76a275438f887743"
            },
            {
              "fixed": "28d3ff7109c66e99dc1b7cddacb5c760849620ef"
            },
            {
              "fixed": "33698bd1b2db9764a29df7751533d33967ff5c98"
            },
            {
              "fixed": "c3a1cf78bd1bbb51b2cc5189b4743056553c1e0e"
            },
            {
              "fixed": "73ce72edd113374801045924d4417199963f73a3"
            },
            {
              "fixed": "406aa86394ead347c47428fb51b6359bdaa2257d"
            },
            {
              "fixed": "b0cc3ae97e893bf54bbce447f4e9fd2e0b88bff9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.10.0"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.140"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.86"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.27"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46070.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid5: validate payload size before accessing journal metadata\n\nr5c_recovery_analyze_meta_block() and\nr5l_recovery_verify_data_checksum_for_mb() iterate over payloads in a\njournal metadata block using on-disk payload size fields without\nvalidating them against the remaining space in the metadata block.\n\nA corrupted journal contains payload sizes extending beyond the PAGE_SIZE\nboundary can cause out-of-bounds reads when accessing payload fields or\ncomputing offsets.\n\nAdd bounds validation for each payload type to ensure the full payload\nfits within meta_size before processing.",
  "id": "CVE-2026-46070",
  "modified": "2026-07-15T01:48:57.894066122Z",
  "published": "2026-05-27T12:57:54.345Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/28d3ff7109c66e99dc1b7cddacb5c760849620ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/33698bd1b2db9764a29df7751533d33967ff5c98"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/406aa86394ead347c47428fb51b6359bdaa2257d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/73ce72edd113374801045924d4417199963f73a3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b0cc3ae97e893bf54bbce447f4e9fd2e0b88bff9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c3a1cf78bd1bbb51b2cc5189b4743056553c1e0e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c96c6f01d84b5c67db1bf1cc8591c0b7146826fc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ef4851d8324fd978ca1ff9ec76a275438f887743"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46070.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46070"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "md/raid5: validate payload size before accessing journal metadata"
}