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CVE-2022-50737

kernel: Linux kernel: Use-after-free in NTFS3 filesystem can lead to privilege escalation

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Severity

Important

Red Hat Product Security

7.8

CVSS 3.1

Review impact separately from score.

Published · December 24, 2025

Updated · August 21, 2026

Description

A flaw was found in the NTFS3 filesystem driver of the Linux kernel. This use-after-free vulnerability occurs due to insufficient validation of the index root during NTFS security initialization. A local attacker could exploit this by mounting a specially crafted NTFS filesystem, potentially leading to privilege escalation or a denial of service.

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 · 7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-825 · Expired Pointer Dereference