CVE-2026-93076

kernel: dax/fsdev: clear vmemmap_shift when binding static pgmap

Loading…

Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 17, 2026

Updated · October 20, 2026

Description

A flaw was found in the Linux kernel's Direct Access (DAX) subsystem. When a static DAX device is reconfigured, an outdated memory mapping value can persist. This prevents the system from correctly building its virtual memory map, which is essential for proper operation. This issue could lead to memory corruption or system instability.

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-909 · Missing Initialization of Resource