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CVE-2024-26787

kernel: mmc: mmci: stm32: fix DMA API overlapping mappings warning

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · April 4, 2024

Updated · November 21, 2025

Description

A flaw affecting the STM32 MMC/SD card driver was found in the Linux kernel. This issue is caused by improper handling of Direct Memory Access (DMA) mappings, resulting in overlapping memory regions. This overlap can trigger warnings and lead to potential memory corruption or unstable behavior.

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

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

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-762 · Mismatched Memory Management Routines