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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-98138
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-25 11:17:45 UTC
Updated2026-09-25 11:17:45 UTC
DescriptionIn 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.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 6251f0b0de7d645e3591931ca4c11d8322c1866f ca1f9933eff777a604eb664d0f9ae433b8664cbf git Not specified
CNA Linux Linux affected 6251f0b0de7d645e3591931ca4c11d8322c1866f 0e4c839905418d55bafe571a92533a1d1ac7b0a8 git Not specified
CNA Linux Linux affected 7.1 Not specified
CNA Linux Linux unaffected 7.1 semver Not specified
CNA Linux Linux unaffected 7.2.7 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/0e4c839905418d55bafe571a92533a1d1ac7b0a8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ca1f9933eff777a604eb664d0f9ae433b8664cbf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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