{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-46780",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: protect references to superblock parameters exposed in sysfs\n\nThe superblock buffers of nilfs2 can not only be overwritten at runtime\nfor modifications/repairs, but they are also regularly swapped, replaced\nduring resizing, and even abandoned when degrading to one side due to\nbacking device issues.  So, accessing them requires mutual exclusion using\nthe reader/writer semaphore \"nilfs->ns_sem\".\n\nSome sysfs attribute show methods read this superblock buffer without the\nnecessary mutual exclusion, which can cause problems with pointer\ndereferencing and memory access, so fix it."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "da7141fb78db",
                                            "version_value": "b90beafac059"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "3.17",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "3.17",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "4.19.322",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.4.284",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.10.226",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.15.167",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.1.110",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.6.51",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.10.10",
                                                        "lessThanOrEqual": "6.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.11",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/b90beafac05931cbfcb6b1bd4f67c1923f47040e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/b90beafac05931cbfcb6b1bd4f67c1923f47040e"
            },
            {
                "url": "https://git.kernel.org/stable/c/ba97ba173f9625d5f34a986088979eae8b80d38e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/ba97ba173f9625d5f34a986088979eae8b80d38e"
            },
            {
                "url": "https://git.kernel.org/stable/c/157c0d94b4c40887329418c70ef4edd1a8d6b4ed",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/157c0d94b4c40887329418c70ef4edd1a8d6b4ed"
            },
            {
                "url": "https://git.kernel.org/stable/c/b14e7260bb691d7f563f61da07d61e3c8b59a614",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/b14e7260bb691d7f563f61da07d61e3c8b59a614"
            },
            {
                "url": "https://git.kernel.org/stable/c/19cfeba0e4b8eda51484fcf8cf7d150418e1d880",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/19cfeba0e4b8eda51484fcf8cf7d150418e1d880"
            },
            {
                "url": "https://git.kernel.org/stable/c/8c6e43b3d5f109cf9c61bc188fcc8175404e924f",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/8c6e43b3d5f109cf9c61bc188fcc8175404e924f"
            },
            {
                "url": "https://git.kernel.org/stable/c/962562d4c70c5cdeb4e955d63ff2017c4eca1aad",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/962562d4c70c5cdeb4e955d63ff2017c4eca1aad"
            },
            {
                "url": "https://git.kernel.org/stable/c/683408258917541bdb294cd717c210a04381931e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/683408258917541bdb294cd717c210a04381931e"
            }
        ]
    },
    "generator": {
        "engine": "bippy-9e1c9544281a"
    }
}