CVE-2022-50448

kernel: mm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in

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Severity

Moderate

Red Hat Product Security

4.7

CVSS 3.1

Review impact separately from score.

Published · October 1, 2025

Updated · June 30, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

mm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in

When PTE_MARKER_UFFD_WP not configured, it's still possible to reach pte marker code and trigger an warning. Add a few CONFIG_PTE_MARKER_UFFD_WP ifdefs to make sure the code won't be reached when not compiled in.

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 · 4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-477 · Use of Obsolete Function