{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-93215",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-17T16:02:15.093Z",
        "datePublished": "2026-09-24T15:10:37.863Z",
        "dateUpdated": "2026-09-24T15:10:37.863Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-09-24T15:10:37.863Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncdx: Fix double free when sysfs file creation fails\n\nIn cdx_create_res_attr(), if sysfs_create_bin_file() fails, the code\nfrees res_attr but doesn't set cdx_dev->res_attr[num] to NULL. This\nleaves a dangling pointer in the array. Then cdx_destroy_res_attr()\nfrees the already-freed memory. Fix the double free by initializing\ncdx_dev->res_attr[num] after sysfs_create_bin_file() completes."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/cdx/cdx.c"
                    ],
                    "versions": [
                        {
                            "version": "aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d",
                            "lessThan": "88f4cd42a04bdadd189d7f667a4c279f4e962ca6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d",
                            "lessThan": "4cd24873ab9fdbd730604881a6e8087bc7b99336",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d",
                            "lessThan": "7e9451bf0bdba6daee1eaf4e7566612af6ca1c32",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d",
                            "lessThan": "6f4acc3a3c300e174e3f586b97b04ed8f5948c36",
                            "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/cdx/cdx.c"
                    ],
                    "versions": [
                        {
                            "version": "6.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3-rc1",
                            "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": "6.8",
                                    "versionEndExcluding": "6.12.109"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.8",
                                    "versionEndExcluding": "6.18.50"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.8",
                                    "versionEndExcluding": "7.2.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.8",
                                    "versionEndExcluding": "7.3-rc1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/88f4cd42a04bdadd189d7f667a4c279f4e962ca6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4cd24873ab9fdbd730604881a6e8087bc7b99336"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7e9451bf0bdba6daee1eaf4e7566612af6ca1c32"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6f4acc3a3c300e174e3f586b97b04ed8f5948c36"
                }
            ],
            "title": "cdx: Fix double free when sysfs file creation fails",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}