{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46074",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.096Z",
        "datePublished": "2026-05-27T12:58:04.703Z",
        "dateUpdated": "2026-06-14T17:52:24.650Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-14T17:52:24.650Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: ch341: fix memory leaks on probe failures\n\nMake sure to deregister the controller, disable pins, and kill and free\nthe RX URB on probe failures to mirror disconnect and avoid memory\nleaks and use-after-free.\n\nAlso add an explicit URB kill on disconnect for symmetry (even if that\nis not strictly required as USB core would have stopped it in the\ncurrent setup)."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/spi/spi-ch341.c"
                    ],
                    "versions": [
                        {
                            "version": "8846739f52afa07e63395c80227dc544f54bd7b1",
                            "lessThan": "5c6518633702d7f7b1153e9d8e042af847f11ef3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8846739f52afa07e63395c80227dc544f54bd7b1",
                            "lessThan": "ff8a7996dc8bf433efe2126ffdaee5b374a89e30",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8846739f52afa07e63395c80227dc544f54bd7b1",
                            "lessThan": "9bee2faf9e21c796d0d222c9d84a98f41bd303a0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8846739f52afa07e63395c80227dc544f54bd7b1",
                            "lessThan": "b99e3ddb91b499d920e63a2daff8880be68cfe9e",
                            "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/spi/spi-ch341.c"
                    ],
                    "versions": [
                        {
                            "version": "6.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.86",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.27",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.4",
                            "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": "6.11",
                                    "versionEndExcluding": "6.12.86"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.11",
                                    "versionEndExcluding": "6.18.27"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.11",
                                    "versionEndExcluding": "7.0.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.11",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/5c6518633702d7f7b1153e9d8e042af847f11ef3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ff8a7996dc8bf433efe2126ffdaee5b374a89e30"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9bee2faf9e21c796d0d222c9d84a98f41bd303a0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b99e3ddb91b499d920e63a2daff8880be68cfe9e"
                }
            ],
            "title": "spi: ch341: fix memory leaks on probe failures",
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    }
}