{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-22074",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-29T08:45:45.814Z",
        "datePublished": "2025-04-16T14:12:25.921Z",
        "dateUpdated": "2026-05-23T15:57:49.551Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:57:49.551Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix r_count dec/increment mismatch\n\nr_count is only increased when there is an oplock break wait,\nso r_count inc/decrement are not paired. This can cause r_count\nto become negative, which can lead to a problem where the ksmbd\nthread does not terminate."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/smb/server/oplock.c"
                    ],
                    "versions": [
                        {
                            "version": "09aeab68033161cb54f194da93e51a11aee6144b",
                            "lessThan": "4790bcb269e5d6d88200a67c54ae6d627332a3be",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a4261bbc33fbf99b99c80aa3a2c5097611802980",
                            "lessThan": "457db486203c90e10c3efc87fd45cc7000b1cd36",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f17d1c63a76b0fe8e9c78023a86507a3a6d62cfa",
                            "lessThan": "20378cf48359f39dee0ef9b61470ebe77bd49c0d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3aa660c059240e0c795217182cf7df32909dd917",
                            "lessThan": "c2ec33d46b4d1c8085dab5d02e00b21f4f0fb8a9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3aa660c059240e0c795217182cf7df32909dd917",
                            "lessThan": "ddb7ea36ba7129c2ed107e2186591128618864e1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.6.84",
                            "lessThan": "6.6.87",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.20",
                            "lessThan": "6.12.23",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.8",
                            "lessThan": "6.13.11",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/smb/server/oplock.c"
                    ],
                    "versions": [
                        {
                            "version": "6.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.87",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.23",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13.11",
                            "lessThanOrEqual": "6.13.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.14.2",
                            "lessThanOrEqual": "6.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.15",
                            "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": "6.6.84",
                                    "versionEndExcluding": "6.6.87"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.12.20",
                                    "versionEndExcluding": "6.12.23"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.13.8",
                                    "versionEndExcluding": "6.13.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.14",
                                    "versionEndExcluding": "6.14.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.14",
                                    "versionEndExcluding": "6.15"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/4790bcb269e5d6d88200a67c54ae6d627332a3be"
                },
                {
                    "url": "https://git.kernel.org/stable/c/457db486203c90e10c3efc87fd45cc7000b1cd36"
                },
                {
                    "url": "https://git.kernel.org/stable/c/20378cf48359f39dee0ef9b61470ebe77bd49c0d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c2ec33d46b4d1c8085dab5d02e00b21f4f0fb8a9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ddb7ea36ba7129c2ed107e2186591128618864e1"
                }
            ],
            "title": "ksmbd: fix r_count dec/increment mismatch",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}