{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46142",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.100Z",
        "datePublished": "2026-05-28T09:35:57.837Z",
        "dateUpdated": "2026-06-14T17:57:38.598Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-14T17:57:38.598Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: libwx: fix VF illegal register access\n\nRegister WX_CFG_PORT_ST is a PF restricted register. When a VF is\ninitialized, attempting to read this register triggers an illegal\nregister access, which lead to a system hang.\n\nWhen the device is VF, the bus function ID can be obtained directly from\nthe PCI_FUNC(pdev->devfn)."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/wangxun/libwx/wx_hw.c"
                    ],
                    "versions": [
                        {
                            "version": "d4187ec2641061748480cdc944fd07653fad50d5",
                            "lessThan": "d3bd8040497968f6f5470018724ef7b0df92f707",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f0b3ecdbb5bbee8ca6b2892aba3988c8a3ce858e",
                            "lessThan": "f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a04ea57aae375bdda1cb57034d8bcbb351e1f973",
                            "lessThan": "33c5bb50b9c40e8451e6aec4487a31d794b98d92",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a04ea57aae375bdda1cb57034d8bcbb351e1f973",
                            "lessThan": "68a007a701bc06fa426507c551ef12514f2e721d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a04ea57aae375bdda1cb57034d8bcbb351e1f973",
                            "lessThan": "694de316f607fe2473d52ca0707e3918e72c1562",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "93e52b75f11a8f39b22993ae315b5b9a6b2668a3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.6.117",
                            "lessThan": "6.6.140",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.58",
                            "lessThan": "6.12.88",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.8",
                            "lessThan": "6.18",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/wangxun/libwx/wx_hw.c"
                    ],
                    "versions": [
                        {
                            "version": "6.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.140",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.88",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.30",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.7",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "6.6.117",
                                    "versionEndExcluding": "6.6.140"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.12.58",
                                    "versionEndExcluding": "6.12.88"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "6.18.30"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "7.0.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "7.1"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.17.8"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/d3bd8040497968f6f5470018724ef7b0df92f707"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/33c5bb50b9c40e8451e6aec4487a31d794b98d92"
                },
                {
                    "url": "https://git.kernel.org/stable/c/68a007a701bc06fa426507c551ef12514f2e721d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/694de316f607fe2473d52ca0707e3918e72c1562"
                }
            ],
            "title": "net: libwx: fix VF illegal register access",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}