{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-72477",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-09T03:40:39.934Z",
        "datePublished": "2026-08-15T05:57:17.035Z",
        "dateUpdated": "2026-08-17T05:44:41.716Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T05:44:41.716Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs/ntfs3: call _ntfs_bad_inode() when failing to rename\n\nIt is safe to call _ntfs_bad_inode on live inodes since:\n  commit 519b078998ce (\"fs/ntfs3: Exclude call make_bad_inode for live nodes.\")\n\nThe WARN_ON was added when it wasn't safe by:\n  commit d99208b91933 (\"fs/ntfs3: cancle set bad inode after removing name fails\")\n\nReplace the WARN_ON with a call to _ntfs_bad_inode() to prevent further\noperations on the inconsistent inode."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 9.8,
                        "baseSeverity": "CRITICAL"
                    },
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "AV:N - ntfs3 registers export_operations and rename on an NFS- or SMB-exported NTFS volume reaches ni_rename() through nfsd/ksmbd vfs_rename without any local syscall; hybrid NAS and Windows/Linux file-server deployments are a reasonable high-impact reach path for this VFS rename flaw.\nAC:L - An attacker controls the on-disk NTFS layout and rename arguments so ni_add_name succeeds and both ni_remove_name steps fail deterministically; syzkaller reproduces this with a crafted loop image and no races or victim-specific timing outside attacker influence.\nPR:N - Exploitation needs only permission to rename on an exported NTFS share (including guest/anonymous NFS or SMB write access) or to supply removable media later mounted by the host; no init-namespace root, CAP_SYS_ADMIN, or other elevated host credentials are required.\nUI:N - Once an administrator has mounted and exported the NTFS volume (or automounted dual-boot/shared storage), the attacker triggers the flawed rename directly; no further victim clicks, file opens, or cooperative actions are needed beyond that standing configuration.\nS:U - Impact is kernel heap/metadata corruption and denial of service within the same kernel security authority; this is standard local or network filesystem exploitation, not a VM escape, IOMMU bypass, or cross-scope sandbox breakout.\nC:H - Leaving the inode operable after a failed rename rollback preserves inconsistent MFT/directory index state; subsequent lookups and index walks parse attacker-influenced corrupt metadata, matching ntfs3 guidance to score metadata corruption that can yield kernel memory disclosure as High.\nI:H - Without ni_bad set, further writes, unlinks, and renames continue against mismatched $FILE_NAME and $I30 state, propagating attacker-steerable directory/MFT corruption and heap metadata damage that can be leveraged for arbitrary kernel writes or control-flow hijack.\nA:H - The vulnerable path emits WARN_ON in ni_rename (kernel panic on panic_on_warn) and syzbot also hit a kernel paging fault in folio_wait_bit_common after follow-on operations on the inconsistent inode; any kernel oops, hang, or panic from continued use scores Availability High."
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ntfs3/frecord.c"
                    ],
                    "versions": [
                        {
                            "version": "519b078998ce6e729f98dccf35505b4756985d11",
                            "lessThan": "ff825bf0521f6da2f30878cbad18ab7b341bc31b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "519b078998ce6e729f98dccf35505b4756985d11",
                            "lessThan": "e8ed78f40eecd0176fda71d673f6957c98e7ffbe",
                            "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/frecord.c"
                    ],
                    "versions": [
                        {
                            "version": "6.17",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.17",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "6.17",
                                    "versionEndExcluding": "7.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.17",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ff825bf0521f6da2f30878cbad18ab7b341bc31b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e8ed78f40eecd0176fda71d673f6957c98e7ffbe"
                }
            ],
            "title": "fs/ntfs3: call _ntfs_bad_inode() when failing to rename",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}