CVE-2026-64169

medium

Description

In the Linux kernel, the following vulnerability has been resolved: spi: ep93xx: fix error pointer deref after DMA setup failure The driver falls back to PIO mode if DMA setup fails during probe. Make sure to the clear the DMA channel pointers on setup failure to avoid dereferencing an error pointer on later probe errors or driver unbind. This issue was flagged by Sashiko when reviewing a devres allocation conversion patch.

References

https://git.kernel.org/stable/c/b6c0dabea07e25bd7db19a77ebfd0d02b9e2671a

https://git.kernel.org/stable/c/8e027db9fa310b1d5e7ad928510be800c4f004d9

https://git.kernel.org/stable/c/5e121a81667a83e9a01d62b429e340f5a4a84abc

https://git.kernel.org/stable/c/0e2189ab095e3657f37b8295f3f2bbcde0f27529

Details

Source: Mitre, NVD

Published: 2026-07-19

Updated: 2026-07-19

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00156