CVE-2026-98880

kernel: ntfs3: handle set_blocksize failures

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · October 23, 2026

Updated · October 26, 2026

Description

A flaw was found in the Linux kernel's ntfs3 file system driver. The driver fails to properly handle errors when configuring the block size while mounting a file system. A local user could exploit this flaw by mounting a specially crafted NTFS image with an unsupported block size, triggering a kernel crash and causing a Denial of Service (DoS).

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-617 · Reachable Assertion