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CVE-2025-40356

kernel: Linux kernel: `spi: rockchip-sfc` improper DMA usage leading to privilege escalation

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Severity

Important

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · December 16, 2025

Updated · August 14, 2026

Description

A flaw was found in the Linux kernel's spi: rockchip-sfc component. A local attacker could exploit this vulnerability by improper handling of Direct Memory Access (DMA) memory operations. This could lead to information disclosure, arbitrary code execution, or a denial of service (DoS).

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 · 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-908 · Use of Uninitialized Resource