Medium 5.5Published Jul 19, 2026

CVE-2026-64170spi: qup: fix error pointer deref after DMA setup failure

Updated under an hour ago (Oct 26, 2026, 12:40 PM ET)

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Exploited in the last 30 days

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: 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)	612762e82ae6058d69b4ce734598491bf030afe7 builds before 0bb3bd442f0bdad3932739a61dd6c580c9c1955e; from 612762e82ae6058d69b4ce734598491bf030afe7 before d577c55d189e7ae150973058d13e299b6855633f; 612762e82ae6058d69b4ce734598491bf030afe7 builds before 9e673affb92c29d9ba879bf4ea81c5e840166b56; 612762e82ae6058d69b4ce734598491bf030afe7 builds before 45760b72e84c1a1498f1a8a9047184c85299da20; 612762e82ae6058d69b4ce734598491bf030afe7 builds before 8f9b61d255b1e989b8913b06c8ebe0aba5e1b238; 612762e82ae6058d69b4ce734598491bf030afe7 builds before 4bb4764f2c51f03f657a28029eb0595d8223aab5; 612762e82ae6058d69b4ce734598491bf030afe7 builds before 4f4051e9d644c371c50de4a042b85bba6727d5c3; from 612762e82ae6058d69b4ce734598491bf030afe7 before a7e8f3efd50a165ba0189f6dc57f7e51a7d149db	CNA record
linux linux_kernel linux:linux_kernel	from 4.1 before 5.10.259; from 5.11 before 5.15.210; from 5.16 before 6.1.176; from 6.2 before 6.6.142; from 6.7 before 6.12.92; from 6.13 before 6.18.34; from 6.19 before 7.0.11; 7.1; and 3 more ranges	NVD

References

References

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