{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23123",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.970Z",
        "datePublished": "2026-02-14T15:09:53.369Z",
        "dateUpdated": "2026-05-11T22:00:34.413Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:00:34.413Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ninterconnect: debugfs: initialize src_node and dst_node to empty strings\n\nThe debugfs_create_str() API assumes that the string pointer is either NULL\nor points to valid kmalloc() memory. Leaving the pointer uninitialized can\ncause problems.\n\nInitialize src_node and dst_node to empty strings before creating the\ndebugfs entries to guarantee that reads and writes are safe."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/interconnect/debugfs-client.c"
                    ],
                    "versions": [
                        {
                            "version": "770c69f037c18cfaa37c3d6c6ef8bd257635513f",
                            "lessThan": "aa79a5a959c7c414bd6fba01ea8dbaddd44f13e7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "770c69f037c18cfaa37c3d6c6ef8bd257635513f",
                            "lessThan": "935d0938b570589c8b0a1733d2cba3c39d027f25",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "770c69f037c18cfaa37c3d6c6ef8bd257635513f",
                            "lessThan": "5d7c7e1fb3ec24fdd0f9faa27b666d6789e891e8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "770c69f037c18cfaa37c3d6c6ef8bd257635513f",
                            "lessThan": "8cc27f5c6dd17dd090f3a696683f04336c162ff5",
                            "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/interconnect/debugfs-client.c"
                    ],
                    "versions": [
                        {
                            "version": "6.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.122",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.68",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.8",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "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",
                                    "versionEndExcluding": "6.6.122"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "6.12.68"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "6.18.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.6",
                                    "versionEndExcluding": "6.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/aa79a5a959c7c414bd6fba01ea8dbaddd44f13e7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/935d0938b570589c8b0a1733d2cba3c39d027f25"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5d7c7e1fb3ec24fdd0f9faa27b666d6789e891e8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8cc27f5c6dd17dd090f3a696683f04336c162ff5"
                }
            ],
            "title": "interconnect: debugfs: initialize src_node and dst_node to empty strings",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}