CVE-2023-3359

kernel: brcm_nvram_parse in drivers/nvmem/brcm_nvram.c lacks check of the return value of kzalloc() and will cause the NULL Pointer Dereference

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · January 27, 2023

Updated · November 21, 2025

Description

A flaw was found in the Linux kernel’s brcm_nvram_parse in drivers/nvmem/brcm_nvram.c. This issue lacks checking the return value of kzalloc(), which can cause a NULL pointer dereference issue.

Statement

The Kernel config param CONFIG_NVMEM_BRCM_NVRAM disabled for all versions of the Red Hat Enterprise Linux.

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