{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98140","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.319Z","datePublished":"2026-09-25T10:36:16.580Z","dateUpdated":"2026-09-25T10:36:16.580Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-25T10:36:16.580Z"},"descriptions":[{"lang":"en","value":"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_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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ntfs/mft.c"],"versions":[{"version":"115380f9a2f9675c7924563cbba70d40cae8fb81","lessThan":"5d7f7bf8fba8cf563b42b44aa4ab3d9928ac480c","status":"affected","versionType":"git"},{"version":"115380f9a2f9675c7924563cbba70d40cae8fb81","lessThan":"cf06dcd572845723821b54a608fc2da995c3c8e2","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ntfs/mft.c"],"versions":[{"version":"7.1","status":"affected"},{"version":"0","lessThan":"7.1","status":"unaffected","versionType":"semver"},{"version":"7.2.7","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.3-rc2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/5d7f7bf8fba8cf563b42b44aa4ab3d9928ac480c"},{"url":"https://git.kernel.org/stable/c/cf06dcd572845723821b54a608fc2da995c3c8e2"}],"title":"ntfs: fix kmap_local leak in write_mft_record_nolock() error paths","x_generator":{"engine":"bippy-1.2.0"}}}}