CVE-2026-64170

In the Linux kernel, the following vulnerability has been resolved: spi: qup: 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 (or attempting to release a channel a second time) on later probe errors or driver unbind. This issue was flagged by Sashiko when reviewing a devres allocation conversion patch.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/0bb3bd442f0bdad3932739a61dd6c580c9c1955e	Patch
https://git.kernel.org/stable/c/45760b72e84c1a1498f1a8a9047184c85299da20	Patch
https://git.kernel.org/stable/c/4bb4764f2c51f03f657a28029eb0595d8223aab5	Patch
https://git.kernel.org/stable/c/4f4051e9d644c371c50de4a042b85bba6727d5c3	Patch
https://git.kernel.org/stable/c/8f9b61d255b1e989b8913b06c8ebe0aba5e1b238	Patch
https://git.kernel.org/stable/c/9e673affb92c29d9ba879bf4ea81c5e840166b56	Patch
https://git.kernel.org/stable/c/a7e8f3efd50a165ba0189f6dc57f7e51a7d149db	Patch
https://git.kernel.org/stable/c/d577c55d189e7ae150973058d13e299b6855633f	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc1::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc2::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc3::::::
	cpe:2.3:o:linux:linux_kernel:7.1:rc4::::::

History

No history.

Information

Published : 2026-07-19 16:17

Updated : 2026-08-13 15:31

NVD link : CVE-2026-64170

Mitre link : CVE-2026-64170

CVE.ORG link : CVE-2026-64170

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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