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CVE-2021-46995

kernel: can: mcp251xfd: mcp251xfd_probe(): fix an error pointer dereference in probe

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Severity

Low

Red Hat Product Security

6

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:

can: mcp251xfd: mcp251xfd_probe(): fix an error pointer dereference in probe

When we converted this code to use dev_err_probe() we accidentally removed a return. It means that if devm_clk_get() it will lead to an Oops when we call clk_get_rate() on the next line.

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 · 6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

CWE-822 · Untrusted Pointer Dereference