{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-31523",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-03-09T15:48:24.110Z",
        "datePublished": "2026-04-22T13:54:37.568Z",
        "dateUpdated": "2026-05-11T22:10:26.646Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:10:26.646Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/nvme/host/pci.c"
                    ],
                    "versions": [
                        {
                            "version": "4b04cc6a8f86c4842314def22332de1f15de8523",
                            "lessThan": "965e2c943f065122f14282a88d70a8a92e12a4da",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4b04cc6a8f86c4842314def22332de1f15de8523",
                            "lessThan": "ba167d5982e2eb6ff9356d409eca592ce99555da",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4b04cc6a8f86c4842314def22332de1f15de8523",
                            "lessThan": "0685dd9cb855ab77fcf3577b4702ba1d6df1c98d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4b04cc6a8f86c4842314def22332de1f15de8523",
                            "lessThan": "6f12734c4b619f923a4df0b1a46b8098b187d324",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4b04cc6a8f86c4842314def22332de1f15de8523",
                            "lessThan": "acbc72dd1a09df53cafcf577259f4678be6afd6d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4b04cc6a8f86c4842314def22332de1f15de8523",
                            "lessThan": "b96c7b25eb1b748f3e3b1832ebf028b0b223d7e3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4b04cc6a8f86c4842314def22332de1f15de8523",
                            "lessThan": "b222680ba55e018426c4535067a008f1d81a5d21",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4b04cc6a8f86c4842314def22332de1f15de8523",
                            "lessThan": "166e31d7dbf6aa44829b98aa446bda5c9580f12a",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/nvme/host/pci.c"
                    ],
                    "versions": [
                        {
                            "version": "5.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.253",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.168",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.131",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.80",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.21",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.11",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.0",
                                    "versionEndExcluding": "5.10.253"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.0",
                                    "versionEndExcluding": "5.15.203"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.0",
                                    "versionEndExcluding": "6.1.168"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.0",
                                    "versionEndExcluding": "6.6.131"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.0",
                                    "versionEndExcluding": "6.12.80"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.0",
                                    "versionEndExcluding": "6.18.21"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.0",
                                    "versionEndExcluding": "6.19.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.0",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/965e2c943f065122f14282a88d70a8a92e12a4da"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ba167d5982e2eb6ff9356d409eca592ce99555da"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0685dd9cb855ab77fcf3577b4702ba1d6df1c98d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6f12734c4b619f923a4df0b1a46b8098b187d324"
                },
                {
                    "url": "https://git.kernel.org/stable/c/acbc72dd1a09df53cafcf577259f4678be6afd6d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b96c7b25eb1b748f3e3b1832ebf028b0b223d7e3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b222680ba55e018426c4535067a008f1d81a5d21"
                },
                {
                    "url": "https://git.kernel.org/stable/c/166e31d7dbf6aa44829b98aa446bda5c9580f12a"
                }
            ],
            "title": "nvme-pci: ensure we're polling a polled queue",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}