{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4b04cc6a8f86c4842314def22332de1f15de8523"
            },
            {
              "fixed": "965e2c943f065122f14282a88d70a8a92e12a4da"
            },
            {
              "fixed": "ba167d5982e2eb6ff9356d409eca592ce99555da"
            },
            {
              "fixed": "0685dd9cb855ab77fcf3577b4702ba1d6df1c98d"
            },
            {
              "fixed": "6f12734c4b619f923a4df0b1a46b8098b187d324"
            },
            {
              "fixed": "acbc72dd1a09df53cafcf577259f4678be6afd6d"
            },
            {
              "fixed": "b96c7b25eb1b748f3e3b1832ebf028b0b223d7e3"
            },
            {
              "fixed": "b222680ba55e018426c4535067a008f1d81a5d21"
            },
            {
              "fixed": "166e31d7dbf6aa44829b98aa446bda5c9580f12a"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.0.0"
            },
            {
              "fixed": "5.10.253"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.203"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.168"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.131"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.80"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.21"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31523.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-pci: ensure we're polling a polled queue\n\nA user can change the polled queue count at run time. There's a brief\nwindow during a reset where a hipri task may try to poll that queue\nbefore the block layer has updated the queue maps, which would race with\nthe now interrupt driven queue and may cause double completions.",
  "id": "CVE-2026-31523",
  "modified": "2026-07-08T05:38:58.195695920Z",
  "published": "2026-04-22T13:54:37.568Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0685dd9cb855ab77fcf3577b4702ba1d6df1c98d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/166e31d7dbf6aa44829b98aa446bda5c9580f12a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6f12734c4b619f923a4df0b1a46b8098b187d324"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/965e2c943f065122f14282a88d70a8a92e12a4da"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/acbc72dd1a09df53cafcf577259f4678be6afd6d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b222680ba55e018426c4535067a008f1d81a5d21"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b96c7b25eb1b748f3e3b1832ebf028b0b223d7e3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ba167d5982e2eb6ff9356d409eca592ce99555da"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31523.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31523"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "nvme-pci: ensure we're polling a polled queue"
}