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CVE-2026-98140

ntfs: fix kmap_local leak in write_mft_record_nolock() error paths

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 115380f9a2f9675c7924563cbba70d40cae8fb81
Version < 5d7f7bf8fba8cf563b42b44aa4ab3d9928ac480c
Status affected
Version 115380f9a2f9675c7924563cbba70d40cae8fb81
Version < cf06dcd572845723821b54a608fc2da995c3c8e2
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 7.1
Status affected
Version 0
Version < 7.1
Status unaffected
Version <= 7.2.*
Version 7.2.7
Status unaffected
Version <= *
Version 7.3-rc2
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.15% 0.031
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/5d7f7bf8fba8cf563b42b44aa4ab3d9928ac480c
https://git.kernel.org/stable/c/cf06dcd572845723821b54a608fc2da995c3c8e2