CVE-2026-98020

kernel: pds_core: fix cmd_regs access racing BAR unmap on reset

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 25, 2026

Updated · September 29, 2026

Description

A flaw was found in the Linux kernel's pds_core driver. This vulnerability can lead to a denial of service (DoS) through a system crash. A local user with administrative privileges could trigger this issue by initiating a device reset while a firmware flash update is in progress, causing the driver to access unmapped device memory.

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-476 · NULL Pointer Dereference