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CVE-2026-98140

5.5 medium Analyzed
NVD · CVE.org

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix kmap_local leak in write_mft_record_nolock() error paths write_mft_record_nolock() maps the MFT record folio with kmap_local_folio(), but the pre_write_mst_fixup() and bio_add_folio() failure paths jump to the error label without unmapping it. kmap_local mappings are stack-ordered per task, so leaking one corrupts the nesting for any outer mapping. Unmap the folio on those error paths too.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 6

  1. CwesCWE-401NVD modified 2026-10-26 18:36
  2. Cpes+2 CPE criteria (now 2)NVD modified 2026-10-26 18:36
  3. StatusPublished → AnalyzedNVD modified 2026-10-26 18:36
  4. CVSS5.5 (v3.1, CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)NVD modified 2026-10-26 18:36
  5. StatusUndergoing Analysis → PublishedNVD modified 2026-10-19 09:14
  6. First seenunscoredNVD modified 2026-10-19 10:18

Affected (CPE criteria) 2

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:7.3:rc1:*:*:*:*:*:*

References 2