{"id":"CVE-2026-98140","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: fix kmap_local leak in write_mft_record_nolock() error paths\n\nwrite_mft_record_nolock() maps the MFT record folio with\nkmap_local_folio(), but the pre_write_mst_f…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: fix kmap_local leak in write_mft_record_nolock() error paths\n\nwrite_mft_record_nolock() maps the MFT record folio with\nkmap_local_folio(), but the pre_write_mst_f…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 115380f9a2f9675c7924563cbba70d40cae8fb81 < 5d7f7bf8fba8cf563b42b44aa4ab3d9928ac480c","Linux >= 115380f9a2f9675c7924563cbba70d40cae8fb81 < cf06dcd572845723821b54a608fc2da995c3c8e2","Linux 7.1"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T11:17:45.497","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98140","references":[{"url":"https://git.kernel.org/stable/c/5d7f7bf8fba8cf563b42b44aa4ab3d9928ac480c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cf06dcd572845723821b54a608fc2da995c3c8e2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T11:06:38.810Z","slug":"CVE-2026-98140","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nntfs: fix kmap_local leak in write_mft_record_nolock() error paths\n\nwrite_mft_record_nolock() maps the MFT record folio with\nkmap_local_folio(), but the pre_write_mst_fixup() and\nbio_add_folio() failure paths jump to the error label without\nunmapping it. kmap_local mappings are stack-ordered per task, so\nleaking one corrupts the nesting for any outer mapping.\n\nUnmap the folio on those error paths too.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}