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.

An update of the linux package has been released.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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.
    (CVE-2026-64170)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
340681	Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (NVIDIA) vulnerabilities (USN-8663-1)	Nessus	Ubuntu Local Security Checks	Local	high
340045	Ubuntu 26.04 LTS : Linux kernel (NVIDIA BaseOS) vulnerabilities (USN-8664-1)	Nessus	Ubuntu Local Security Checks	Local	high
333944	Photon OS 5.0: Linux PHSA-2026-5.0-92-0864	Nessus	PhotonOS Local Security Checks	Local	high
333941	Photon OS 5.0: Linux PHSA-2026-5.0-92-0926	Nessus	PhotonOS Local Security Checks	Local	high
329326	Photon OS 5.0: Linux PHSA-2026-5.0-0926	Nessus	PhotonOS Local Security Checks	Local	high
327991	Linux Distros Unpatched Vulnerability : CVE-2026-64170	Nessus	Misc.	Local	medium
325574	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-124 (ALASKERNEL-5.10-2026-124)	Nessus	Amazon Linux Local Security Checks	Local	high
318773	Photon OS 5.0: Linux PHSA-2026-5.0-0864	Nessus	PhotonOS Local Security Checks	Local	high

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CVE-2026-64170

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