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CVE-2026-98138

Estado: En análisisSin puntuar—

In the Linux kernel, the following vulnerability has been resolved:

ntfs: do not mark the volume clean in sync_fs when errors were recorded

ntfs_put_super() and the remount-read-only path both clear the dirty bit only when NVolErrors(vol) is false. ntfs_sync_fs() clears it unconditionally, so any sync() on a volume that recorded an error marks that volume clean. A volume without this set is then seen as not needing recovery and it does not run one, so whatever went wrong is never repaired.

This change skips resetting the dirty bit when there are volume errors.

Reproduced on a volume whose $MFTMirr does not match $MFT, which sets the error flag while leaving the mount read-write: after a write and a sync, the on-disk volume flags read 0x0000 with this driver and 0x0001 with the guard in place.

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-98138",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6251f0b0de7d645e3591931ca4c11d8322c1866f",
              "lessThan": "ca1f9933eff777a604eb664d0f9ae433b8664cbf",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6251f0b0de7d645e3591931ca4c11d8322c1866f",
              "lessThan": "0e4c839905418d55bafe571a92533a1d1ac7b0a8",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "fs/ntfs/super.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "7.1"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "7.1",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "7.2.7",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "status": "unaffected",
              "version": "7.3-rc2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "fs/ntfs/super.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-09-25T11:17:45.273",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/0e4c839905418d55bafe571a92533a1d1ac7b0a8",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ca1f9933eff777a604eb664d0f9ae433b8664cbf",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Undergoing Analysis",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: do not mark the volume clean in sync_fs when errors were recorded\n\nntfs_put_super() and the remount-read-only path both clear the dirty bit\nonly when NVolErrors(vol) is false. ntfs_sync_fs() clears it\nunconditionally, so any sync() on a volume that recorded an error marks\nthat volume clean. A volume without this set is then seen as not needing\nrecovery and it does not run one, so whatever went wrong is never repaired.\n\nThis change skips resetting the dirty bit when there are volume errors.\n\nReproduced on a volume whose $MFTMirr does not match $MFT, which sets the\nerror flag while leaving the mount read-write: after a write and a sync,\nthe on-disk volume flags read 0x0000 with this driver and 0x0001 with the\nguard in place."
    }
  ],
  "lastModified": "2026-09-30T14:10:59.253",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}