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CVE-2021-47050

kernel: memory: renesas-rpc-if: fix possible NULL pointer dereference of resource

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Severity

Low

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · February 28, 2024

Updated · November 21, 2025

Description

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

memory: renesas-rpc-if: fix possible NULL pointer dereference of resource

The platform_get_resource_byname() can return NULL which would be immediately dereferenced by resource_size(). Instead dereference it after validating the resource.

Addresses-Coverity: Dereference null return value

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 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference