What is CVE-2026-64170?

CVE-2026-64170 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 4.1 onward and patched in 5.10.259, 5.15.210, 6.1.176 and others. CVE-2026-64170 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-64170?

CVE-2026-64170 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2026-64170?

Yes, CVE-2026-64170 has been patched. Fixed versions include 5.10.259, 5.15.210, 6.1.176 and others. If you are running Linux kernel 4.1 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-64170 actively exploited?

CVE-2026-64170 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

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.

Package Linux Kernel

Published 2026-07-19

Last modified 2026-07-19

Patch available

Yes

Affected versions

Linux kernel versions 4.1 and later are affected. Fixed in 5.10.259, 5.15.210, 6.1.176, 6.6.142, 6.12.92, 6.18.34, 7.0.11, 7.1 and their respective stable series.

Affected from

≥ 4.1

Fixed in

✓ 5.10.259 5.10.x ✓ 5.15.210 5.15.x ✓ 6.1.176 6.1.x ✓ 6.6.142 6.6.x ✓ 6.12.92 6.12.x ✓ 6.18.34 6.18.x ✓ 7.0.11 7.0.x ✓ 7.1

References

8 total

Showing 5 of 8 references View all on NVD

Frequently asked questions

What is CVE-2026-64170?

CVE-2026-64170 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.1 onward and has been patched in 5.10.259, 5.15.210, 6.1.176 and others. CVE-2026-64170 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2026-64170?

Yes — CVE-2026-64170 has been patched. Fixed versions include 5.10.259, 5.15.210, 6.1.176 and others. If you are running Linux kernel 4.1 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-64170 actively exploited?

No — CVE-2026-64170 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.