CVE-2026-64169

kernel: spi: ep93xx: fix error pointer deref after DMA setup failure

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Severity

Low

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · July 19, 2026

Updated · October 20, 2026

Description

A flaw was found in the Linux kernel's spi: ep93xx driver. This vulnerability occurs when the driver fails to properly clear Direct Memory Access (DMA) channel pointers after a DMA setup failure during probe. An attacker could potentially trigger a system crash, leading to a Denial of Service (DoS).

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-824 · Access of Uninitialized Pointer