CVE-2026-98140 - ntfs: fix kmap_local leak in write_mft_record_nolock() error paths

CVE-2026-98140 - ntfs: fix kmap_local leak in write_mft_record_nolock() error paths

https://cvefeed.io/rssfeed/latest.atom / Fri, 09/25/2026 - 13:49
CVE ID :CVE-2026-98140
Published : Sept. 25, 2026, 10:36 a.m. | 35 minutes ago
Description :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.
Severity: 0.0 | NA
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