{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "71f28f3136aff5890cd56de78abc673f8393cad9"
            },
            {
              "fixed": "4b4dff498f46e9802f71bc84258bf73065f51c6a"
            },
            {
              "fixed": "31cac6acf77ece488f29fb8f79589d9298e969c8"
            },
            {
              "fixed": "dbe8e81a2ec608f87f79a34f6444cd62f6a243bb"
            },
            {
              "fixed": "f75a5555e0049e7857eae25b60aee98b80e287ec"
            },
            {
              "fixed": "17d33ba7291100008360b5a354962db37ad80684"
            },
            {
              "fixed": "da7e4b75e50c087d2031a92f6646eb90f7045a67"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.0.0"
            },
            {
              "fixed": "6.1.165"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.128"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.75"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.14"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45962.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nublk: Validate SQE128 flag before accessing the cmd\n\nublk_ctrl_cmd_dump() accesses (header *)sqe-\u003ecmd before\nIO_URING_F_SQE128 flag check. This could cause out of boundary memory\naccess.\n\nMove the SQE128 flag check earlier in ublk_ctrl_uring_cmd() to return\n-EINVAL immediately if the flag is not set.",
  "id": "CVE-2026-45962",
  "modified": "2026-07-08T05:36:29.153919983Z",
  "published": "2026-05-27T12:18:19.070Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/17d33ba7291100008360b5a354962db37ad80684"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/31cac6acf77ece488f29fb8f79589d9298e969c8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4b4dff498f46e9802f71bc84258bf73065f51c6a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/da7e4b75e50c087d2031a92f6646eb90f7045a67"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dbe8e81a2ec608f87f79a34f6444cd62f6a243bb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f75a5555e0049e7857eae25b60aee98b80e287ec"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45962.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45962"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "ublk: Validate SQE128 flag before accessing the cmd"
}