CVE-2026-64170 : faille moyenne linux linux kernel (CVSS 5.5)

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.

Sévérité

Moyenne (CVSS 5.5)

Vecteur CVSS

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitation active

Non signalée par la CISA

Publication

19 juil. 2026

Dernière mise à jour

13 août 2026

• linux linux kernel

• Fiche CVE-2026-64170 sur le NVD (NIST)
• git.kernel.org/stable/c/0bb3bd442f0bdad3932739a61dd6c580c9c19…
• git.kernel.org/stable/c/45760b72e84c1a1498f1a8a9047184c85299d…
• git.kernel.org/stable/c/4bb4764f2c51f03f657a28029eb0595d8223a…
• git.kernel.org/stable/c/4f4051e9d644c371c50de4a042b85bba6727d…
• git.kernel.org/stable/c/8f9b61d255b1e989b8913b06c8ebe0aba5e1b…
• git.kernel.org/stable/c/9e673affb92c29d9ba879bf4ea81c5e840166…
• git.kernel.org/stable/c/a7e8f3efd50a165ba0189f6dc57f7e51a7d14…
• git.kernel.org/stable/c/d577c55d189e7ae150973058d13e299b68556…