{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89833",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.769Z",
        "datePublished": "2026-09-16T10:31:05.680Z",
        "dateUpdated": "2026-10-21T12:48:56.774Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:48:56.774Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()\n\nThere is potential deadloop in race condition:\n\nThread A\t\t\t\tThread B\n- fsync\n - f2fs_do_sync_file\n  - f2fs_fsync_node_pages\n   - last_fsync_dnode\n    - folio_get(last_folio)\n\t\t\t\t\t- f2fs_setattr\n\t\t\t\t\t - f2fs_truncate\n\t\t\t\t\t  - f2fs_truncate_blocks\n\t\t\t\t\t   - f2fs_do_truncate_blocks\n\t\t\t\t\t    - f2fs_truncate_inode_blocks\n\t\t\t\t\t     - truncate_dnode\n\t\t\t\t\t      - truncate_node\n\t\t\t\t\t       - invalidate_mapping_pages\n\t\t\t\t\t        - folio->mapping = NULL\n   - is_node_folio alwasy return false\n   - atomic && !marked is always true,\n     then goto retry"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/f2fs/node.c"
                    ],
                    "versions": [
                        {
                            "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
                            "lessThan": "58ca9f06480457eb9c9513e1ae2b75316d4ed1e5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
                            "lessThan": "bdc06381d590ad5833ee7a2c56b8b685d80ee9b5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
                            "lessThan": "161513f53e4ac90fd356433bdf8e31e6adeb92af",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
                            "lessThan": "905411f6504876d268ba8dafc8e75367782da4b7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
                            "lessThan": "ce366bfa821ec81dd45bde547ee31e659306cc61",
                            "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/f2fs/node.c"
                    ],
                    "versions": [
                        {
                            "version": "4.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.114",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.51",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.5",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "4.7",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "6.12.114"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "6.18.51"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "7.2.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.7",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/58ca9f06480457eb9c9513e1ae2b75316d4ed1e5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bdc06381d590ad5833ee7a2c56b8b685d80ee9b5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/161513f53e4ac90fd356433bdf8e31e6adeb92af"
                },
                {
                    "url": "https://git.kernel.org/stable/c/905411f6504876d268ba8dafc8e75367782da4b7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ce366bfa821ec81dd45bde547ee31e659306cc61"
                }
            ],
            "title": "f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}