CVE-2026-89833 (GCVE-0-2026-89833)
Vulnerability from cvelistv5
Published
2026-09-16 10:31
Modified
2026-10-30 12:33
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages() There is potential deadloop in race condition: Thread A Thread B - fsync - f2fs_do_sync_file - f2fs_fsync_node_pages - last_fsync_dnode - folio_get(last_folio) - f2fs_setattr - f2fs_truncate - f2fs_truncate_blocks - f2fs_do_truncate_blocks - f2fs_truncate_inode_blocks - truncate_dnode - truncate_node - invalidate_mapping_pages - folio->mapping = NULL - is_node_folio alwasy return false - atomic && !marked is always true, then goto retry
References
Impacted products
Vendor Product Version
Linux Linux Version: 608514deba38c8611ad330d6a3c8e2b9a1f68e4b
Version: 608514deba38c8611ad330d6a3c8e2b9a1f68e4b
Version: 608514deba38c8611ad330d6a3c8e2b9a1f68e4b
Version: 608514deba38c8611ad330d6a3c8e2b9a1f68e4b
Version: 608514deba38c8611ad330d6a3c8e2b9a1f68e4b
Version: 608514deba38c8611ad330d6a3c8e2b9a1f68e4b
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/node.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "64a47dc8286ff98d8c231ae035bdfe16be1b93bf",
              "status": "affected",
              "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
              "versionType": "git"
            },
            {
              "lessThan": "58ca9f06480457eb9c9513e1ae2b75316d4ed1e5",
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              "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
              "versionType": "git"
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            {
              "lessThan": "bdc06381d590ad5833ee7a2c56b8b685d80ee9b5",
              "status": "affected",
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              "versionType": "git"
            },
            {
              "lessThan": "161513f53e4ac90fd356433bdf8e31e6adeb92af",
              "status": "affected",
              "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
              "versionType": "git"
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            {
              "lessThan": "905411f6504876d268ba8dafc8e75367782da4b7",
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            },
            {
              "lessThan": "ce366bfa821ec81dd45bde547ee31e659306cc61",
              "status": "affected",
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/f2fs/node.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.7"
            },
            {
              "lessThan": "4.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.191",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.160",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.114",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.51",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.191",
                  "versionStartIncluding": "4.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.160",
                  "versionStartIncluding": "4.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.114",
                  "versionStartIncluding": "4.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.51",
                  "versionStartIncluding": "4.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.5",
                  "versionStartIncluding": "4.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "4.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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-\u003emapping = NULL\n   - is_node_folio alwasy return false\n   - atomic \u0026\u0026 !marked is always true,\n     then goto retry"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-30T12:33:12.025Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/64a47dc8286ff98d8c231ae035bdfe16be1b93bf"
        },
        {
          "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"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-89833",
    "datePublished": "2026-09-16T10:31:05.680Z",
    "dateReserved": "2026-09-11T19:38:34.769Z",
    "dateUpdated": "2026-10-30T12:33:12.025Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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