{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43241",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:55.995Z",
        "datePublished": "2026-05-06T11:28:34.927Z",
        "dateUpdated": "2026-05-11T22:20:44.266Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:20:44.266Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntb: ntb_hw_switchtec: Fix array-index-out-of-bounds access\n\nNumber of MW LUTs depends on NTB configuration and can be set to MAX_MWS,\nThis patch protects against invalid index out of bounds access to mw_sizes\nWhen invalid access print message to user that configuration is not valid."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/ntb/hw/mscc/ntb_hw_switchtec.c"
                    ],
                    "versions": [
                        {
                            "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
                            "lessThan": "348e1ac9ad983ed7e62de14e1daf47f1695a4ce9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
                            "lessThan": "ee02c4f980c91820845dd8e469ec7dc670ab6d9d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
                            "lessThan": "740945de896021b9a859e71f38f6aea72a6393cf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
                            "lessThan": "85c9daa1f8319bbb3dfee71dc6a2f969cd3b4c92",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
                            "lessThan": "0e930420945106151c6eb3d7837b4e6154e9b144",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
                            "lessThan": "2346856b74823a2a78109002e479a3d02526a9ce",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
                            "lessThan": "47ce292dd45dc689747c40603222691638919189",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ec0467ccbdeb69a86c8729073057bda7bce00eec",
                            "lessThan": "c8ba7ad2cc1c7b90570aa347b8ebbe279f1eface",
                            "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/ntb/hw/mscc/ntb_hw_switchtec.c"
                    ],
                    "versions": [
                        {
                            "version": "4.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.252",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.202",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.165",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.128",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.75",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.16",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.6",
                            "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": "4.15",
                                    "versionEndExcluding": "5.10.252"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.15.202"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.1.165"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.6.128"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.12.75"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.18.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.19.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/348e1ac9ad983ed7e62de14e1daf47f1695a4ce9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ee02c4f980c91820845dd8e469ec7dc670ab6d9d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/740945de896021b9a859e71f38f6aea72a6393cf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/85c9daa1f8319bbb3dfee71dc6a2f969cd3b4c92"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0e930420945106151c6eb3d7837b4e6154e9b144"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2346856b74823a2a78109002e479a3d02526a9ce"
                },
                {
                    "url": "https://git.kernel.org/stable/c/47ce292dd45dc689747c40603222691638919189"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c8ba7ad2cc1c7b90570aa347b8ebbe279f1eface"
                }
            ],
            "title": "ntb: ntb_hw_switchtec: Fix array-index-out-of-bounds access",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}