CVE-2026-72134

SPI data corruption via stale DMA-mode state

Published Aug 15, 2026 · Updated Aug 15, 2026

Data corruption in the Linux kernel 7.0 i.MX SPI driver allows local users to disrupt ECSPI devices after DMA preparation fails. spi_imx_dma_transfer() falls back internally to PIO without restoring the state set by spi_imx_setupxfer(), leaving CTRL.SMC and burst parameters in DMA mode. The failure occurs on i.MX8MP systems advertising ECSPI DMA while using SDMA ROM firmware without sdma-imx7d.bin, corrupting transfers and preventing an affected TPM from initializing.

CVSS severity7.8
High
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Data corruption in the Linux kernel 7.0 i.MX SPI driver allows local users to disrupt ECSPI devices after DMA preparation fails. spi_imx_dma_transfer() falls back internally to PIO without restoring the state set by spi_imx_setupxfer(), leaving CTRL.SMC and burst parameters in DMA mode. The failure occurs on i.MX8MP systems advertising ECSPI DMA while using SDMA ROM firmware without sdma-imx7d.bin, corrupting transfers and preventing an affected TPM from initializing.

The record

CVE
CVE-2026-72134
Published
Aug 15, 2026
Updated
Aug 15, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-909
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 15, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.0
  2. Affected versionversion=faa8e404ad8e686cb98c51dc507fdcacfb8020ce <245404c26563aafb36aafb01298f148db1851be3
  3. Affected versionversion=faa8e404ad8e686cb98c51dc507fdcacfb8020ce <40dee2d3e9994aed9efe7bed40eb0e4d38d5a25c

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=7.0; version=faa8e404ad8e686cb98c51dc507fdcacfb8020ce <245404c26563aafb36aafb01298f148db1851be3; version=faa8e404ad8e686cb98c51dc507fdcacfb8020ce <40dee2d3e9994aed9efe7bed40eb0e4d38d5a25c

Published CVSS scores

7.8UbuntuCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.4Amazon LinuxCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
5.5Red HatCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-909Missing Initialization of Resource

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo