{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-64147",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T07:54:57.037Z",
        "datePublished": "2026-07-19T15:40:38.198Z",
        "dateUpdated": "2026-07-19T15:40:38.198Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-19T15:40:38.198Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npds_core: fix debugfs_lookup dentry leak and error handling\n\ndebugfs_lookup() returns a dentry with an elevated reference count that\nmust be released with dput(). The current code discards the returned\ndentry without calling dput(), causing a reference leak on every\nfirmware reset recovery.\n\nAdditionally, when CONFIG_DEBUG_FS is disabled, debugfs_lookup()\nreturns ERR_PTR(-ENODEV), not NULL. The current check passes for error\npointers and would call dput() on an invalid pointer, causing a crash."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/amd/pds_core/debugfs.c"
                    ],
                    "versions": [
                        {
                            "version": "2bbf2b1c20f934a054172175ccbabcc01fe69ef6",
                            "lessThan": "60ef1675b652e912f3eb064767af4432393291fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bc90fbe0c3182157d2be100a2f6c2edbb1820677",
                            "lessThan": "26e19622c485e53c3fdb299e822068a0542ddf0c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bc90fbe0c3182157d2be100a2f6c2edbb1820677",
                            "lessThan": "91d13e92b983e6c6d7631012c2e20ae8057de9f2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bc90fbe0c3182157d2be100a2f6c2edbb1820677",
                            "lessThan": "d7f4dd4c8fb380898fef7a77d48fce7ccdb4fc32",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bc90fbe0c3182157d2be100a2f6c2edbb1820677",
                            "lessThan": "dc416e32baaeb620b9809e9e25fc7b30889686e9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3ffe14c36985e3174933127c9efad82ac8f3fefb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.6.16",
                            "lessThan": "6.6.142",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.7.4",
                            "lessThan": "6.8",
                            "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/amd/pds_core/debugfs.c"
                    ],
                    "versions": [
                        {
                            "version": "6.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.142",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.92",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.34",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.11",
                            "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": "6.6.16",
                                    "versionEndExcluding": "6.6.142"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.8",
                                    "versionEndExcluding": "6.12.92"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.8",
                                    "versionEndExcluding": "6.18.34"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.8",
                                    "versionEndExcluding": "7.0.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.8",
                                    "versionEndExcluding": "7.1"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.7.4"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/60ef1675b652e912f3eb064767af4432393291fd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/26e19622c485e53c3fdb299e822068a0542ddf0c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/91d13e92b983e6c6d7631012c2e20ae8057de9f2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d7f4dd4c8fb380898fef7a77d48fce7ccdb4fc32"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dc416e32baaeb620b9809e9e25fc7b30889686e9"
                }
            ],
            "title": "pds_core: fix debugfs_lookup dentry leak and error handling",
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    }
}