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Vulnerability record · CVE-2026-98141 · published 25 September 2026

CVE-2026-98141: Linux kernel unchecked return value vulnerability

Linux · Linux Kernel

In the Linux kernel, the following vulnerability has been resolved: ntfs: propagate reparse index insertion failure update_reparse_data() ignores the return value of set_reparse_index(). When index insertion fails, the code removes the just-written reparse data as cleanup but still returns 0, so symlink(2) (and WSL special file creation) reports success while no reparse data exists on disk. When there was no previous reparse data (oldsize == 0), the failure was likewise silently ignored. Propagate the error to the caller.

5.5 CVSS 3.1 Medium EPSS 0.10% · top 99.2% CWE-252 · Unchecked return value
5.5CVSS 3.1 base score
0.10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
27 Oct 2026Last modified by NVD

Description

In the Linux kernel, the following vulnerability has been resolved: ntfs: propagate reparse index insertion failure update_reparse_data() ignores the return value of set_reparse_index(). When index insertion fails, the code removes the just-written reparse data as cleanup but still returns 0, so symlink(2) (and WSL special file creation) reports success while no reparse data exists on disk. When there was no previous reparse data (oldsize == 0), the failure was likewise silently ignored. Propagate the error to the caller.

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.

References

LinkTags
https://git.kernel.org/stable/c/9692b1b4fc00cf89628bc43f71729ab21f14f8d3 Patch
https://git.kernel.org/stable/c/c62f446c63398dc7151f413069bf617032cf7a71 Patch

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Source: NIST National Vulnerability Database (record CVE-2026-98141), CISA KEV, FIRST EPSS (scores of 2026-11-11). This page is refreshed as NVD updates the record.