CVE-2024-45028

kernel: mmc: mmc_test: Fix NULL dereference on allocation failure

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 11, 2024

Updated · November 21, 2025

Description

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

mmc: mmc_test: Fix NULL dereference on allocation failure

If the "test->highmem = alloc_pages()" allocation fails then calling __free_pages(test->highmem) will result in a NULL dereference. Also change the error code to -ENOMEM instead of returning success.

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-690 · Unchecked Return Value to NULL Pointer Dereference