{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "aa00f67adc2c0d6439f81b5a81ff181377c47a7e"
            },
            {
              "fixed": "2a6de94df7bfa76d9850443547e7b3333f63a16a"
            },
            {
              "fixed": "29b95ac917927ce9f95bf38797e16333ecb489b1"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/58xxx/CVE-2024-58000.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: prevent reg-wait speculations\n\nWith *ENTER_EXT_ARG_REG instead of passing a user pointer with arguments\nfor the waiting loop the user can specify an offset into a pre-mapped\nregion of memory, in which case the\n[offset, offset + sizeof(io_uring_reg_wait)) will be intepreted as the\nargument.\n\nAs we address a kernel array using a user given index, it'd be a subject\nto speculation type of exploits. Use array_index_nospec() to prevent\nthat. Make sure to pass not the full region size but truncate by the\nmaximum offset allowed considering the structure size.",
  "id": "CVE-2024-58000",
  "modified": "2026-04-01T23:09:25.848002086Z",
  "published": "2025-02-27T02:07:19.155Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/29b95ac917927ce9f95bf38797e16333ecb489b1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2a6de94df7bfa76d9850443547e7b3333f63a16a"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/58xxx/CVE-2024-58000.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-58000"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "io_uring: prevent reg-wait speculations"
}