CVE-2026-90134

kernel: ntfs: fix kmap_local_page() usage in compress

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 17, 2026

Updated · October 13, 2026

Description

A flaw was found in the Linux kernel's NTFS filesystem driver. This vulnerability arises from incorrect handling of memory page mappings in compressed input/output (I/O) operations. An attacker could potentially exploit this flaw by interacting with the NTFS driver, leading to system instability or 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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-763 · Release of Invalid Pointer or Reference