{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "5c686456a4e83ef06c74d40be05c21a0ef136684"
            },
            {
              "fixed": "9feb88eeda6d288f93fcfb6bca563f89e316479d"
            },
            {
              "fixed": "0fcccfd87152f957fa8312b841f6efef42a05a20"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "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/2026/45xxx/CVE-2026-45995.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/zcrx: fix user_struct uaf\n\nio_free_rbuf_ring() usees a struct user_struct, which\nio_zcrx_ifq_free() puts it down before destroying the ring.",
  "id": "CVE-2026-45995",
  "modified": "2026-07-08T05:37:52.082616671Z",
  "published": "2026-05-27T12:55:48.587Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0fcccfd87152f957fa8312b841f6efef42a05a20"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9feb88eeda6d288f93fcfb6bca563f89e316479d"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45995.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45995"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "io_uring/zcrx: fix user_struct uaf"
}