Vulnerability record · CVE-2026-98140 · published 25 September 2026

CVE-2026-98140: Linux kernel memory leak vulnerability

Linux · Linux Kernel

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.

5.5 CVSS 3.1 Medium EPSS 0.10% · top 99.2% CWE-401 · Memory leak

5.5CVSS 3.1 base score

0.10%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References

26 Oct 2026Last modified by NVD

Description

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Linux Kernel Linux

References

Link	Tags
https://git.kernel.org/stable/c/5d7f7bf8fba8cf563b42b44aa4ab3d9928ac480c	Patch
https://git.kernel.org/stable/c/cf06dcd572845723821b54a608fc2da995c3c8e2	Patch

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Source: NIST National Vulnerability Database (record CVE-2026-98140), CISA KEV, FIRST EPSS (scores of 2026-11-11). This page is refreshed as NVD updates the record.