Medium 5.5Published Jul 19, 2026

CVE-2026-64169spi: ep93xx: fix error pointer deref after DMA setup failure

Updated under an hour ago (Oct 27, 2026, 9:40 PM ET)

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Jul 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from e79e7c2df6277ee1ad9364a231f6183da4492415 before b6c0dabea07e25bd7db19a77ebfd0d02b9e2671a; from e79e7c2df6277ee1ad9364a231f6183da4492415 before 8e027db9fa310b1d5e7ad928510be800c4f004d9; from e79e7c2df6277ee1ad9364a231f6183da4492415 before 0e2189ab095e3657f37b8295f3f2bbcde0f27529; from e79e7c2df6277ee1ad9364a231f6183da4492415 before 5e121a81667a83e9a01d62b429e340f5a4a84abc	CNA record
linux linux_kernel linux:linux_kernel	from 6.12 before 6.12.92; from 6.13 before 6.18.34; from 6.19 before 7.0.11; 7.1; 7.1; 7.1; 7.1	NVD

References

References

https://git.kernel.org/stable/c/b6c0dabea07e25bd7db19a77ebfd0d02b9e2671a	patch
https://git.kernel.org/stable/c/8e027db9fa310b1d5e7ad928510be800c4f004d9	patch
https://git.kernel.org/stable/c/0e2189ab095e3657f37b8295f3f2bbcde0f27529	patch
https://git.kernel.org/stable/c/5e121a81667a83e9a01d62b429e340f5a4a84abc	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.