CVE-2026-64168 is a vulnerability in Linux Kernel
Published on July 19, 2026
spi: sprd: fix error pointer deref after DMA setup failure
In the Linux kernel, the following vulnerability has been resolved:
spi: sprd: fix error pointer deref after DMA setup failure
The driver falls back to PIO mode if DMA setup fails during probe.
Make sure to check the dma.enabled flag before trying to release the DMA
channels also on late probe errors to avoid dereferencing an error
pointer (or attempting to release a channel a second time).
This issue was flagged by Sashiko when reviewing a devres allocation
conversion patch.
Products Associated with CVE-2026-64168
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Affected Versions
Linux:- Version 386119bc7be9fa5114ced0274a22a943df890b4b and below be74e276111f3c23b8e040c8c5e308f67a573add is affected.
- Version 386119bc7be9fa5114ced0274a22a943df890b4b and below a8f233fb0c7be29b97cd249f64120bf35ce72805 is affected.
- Version 386119bc7be9fa5114ced0274a22a943df890b4b and below 0cdea166c1a07c200caf9d0b722224fca43b23ae is affected.
- Version 386119bc7be9fa5114ced0274a22a943df890b4b and below 450c319dd04d0eeff4184889768f7ada826a2e35 is affected.
- Version 386119bc7be9fa5114ced0274a22a943df890b4b and below b6f1acf4e57ccf708cdc0cb70f5bb5b65162963b is affected.
- Version 386119bc7be9fa5114ced0274a22a943df890b4b and below be409d2bbe9ca7da7b05cc7dde7499bc481f0766 is affected.
- Version 386119bc7be9fa5114ced0274a22a943df890b4b and below c33b4496e95d04722055446c0a31213639438536 is affected.
- Version 386119bc7be9fa5114ced0274a22a943df890b4b and below 3d67fffb74267772d461c02c67f1eff893ad547d is affected.
- Version 5.1 is affected.
- Before 5.1 is unaffected.
- Version 5.10.258, <= 5.10.* is unaffected.
- Version 5.15.209, <= 5.15.* is unaffected.
- Version 6.1.175, <= 6.1.* is unaffected.
- Version 6.6.142, <= 6.6.* is unaffected.
- Version 6.12.92, <= 6.12.* is unaffected.
- Version 6.18.34, <= 6.18.* is unaffected.
- Version 7.0.11, <= 7.0.* is unaffected.
- Version 7.1, <= * is unaffected.