{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50057",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-06-18T10:57:27.403Z",
        "datePublished": "2025-06-18T11:02:06.357Z",
        "dateUpdated": "2026-05-11T19:12:01.024Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:12:01.024Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: Fix NULL deref in ntfs_update_mftmirr\n\nIf ntfs_fill_super() wasn't called then sbi->sb will be equal to NULL.\nCode should check this ptr before dereferencing. Syzbot hit this issue\nvia passing wrong mount param as can be seen from log below\n\nFail log:\nntfs3: Unknown parameter 'iochvrset'\ngeneral protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN\nKASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]\nCPU: 1 PID: 3589 Comm: syz-executor210 Not tainted 5.18.0-rc3-syzkaller-00016-gb253435746d9 #0\n...\nCall Trace:\n <TASK>\n put_ntfs+0x1ed/0x2a0 fs/ntfs3/super.c:463\n ntfs_fs_free+0x6a/0xe0 fs/ntfs3/super.c:1363\n put_fs_context+0x119/0x7a0 fs/fs_context.c:469\n do_new_mount+0x2b4/0xad0 fs/namespace.c:3044\n do_mount fs/namespace.c:3383 [inline]\n __do_sys_mount fs/namespace.c:3591 [inline]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ntfs3/fsntfs.c"
                    ],
                    "versions": [
                        {
                            "version": "82cae269cfa953032fbb8980a7d554d60fb00b17",
                            "lessThan": "8e8e1a84dac7a3d2b432162a70d7fb6a75960772",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "82cae269cfa953032fbb8980a7d554d60fb00b17",
                            "lessThan": "bf6089dc01ba3194ab962105d7b85690843c256f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "82cae269cfa953032fbb8980a7d554d60fb00b17",
                            "lessThan": "321460ca3b55f48b3ba6008248264ab2bd6407d9",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ntfs3/fsntfs.c"
                    ],
                    "versions": [
                        {
                            "version": "5.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.63",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.4",
                            "lessThanOrEqual": "5.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0",
                            "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": "5.15",
                                    "versionEndExcluding": "5.15.63"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "5.19.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "6.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/8e8e1a84dac7a3d2b432162a70d7fb6a75960772"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bf6089dc01ba3194ab962105d7b85690843c256f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/321460ca3b55f48b3ba6008248264ab2bd6407d9"
                }
            ],
            "title": "fs/ntfs3: Fix NULL deref in ntfs_update_mftmirr",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}