Medium severity5.5NVD Advisory· Published Jul 19, 2026· Updated Aug 13, 2026
CVE-2026-64168
CVE-2026-64168
Description
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.
Affected products
7cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.1,<5.10.258
- cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/0cdea166c1a07c200caf9d0b722224fca43b23aenvdPatch
- git.kernel.org/stable/c/3d67fffb74267772d461c02c67f1eff893ad547dnvdPatch
- git.kernel.org/stable/c/450c319dd04d0eeff4184889768f7ada826a2e35nvdPatch
- git.kernel.org/stable/c/a8f233fb0c7be29b97cd249f64120bf35ce72805nvdPatch
- git.kernel.org/stable/c/b6f1acf4e57ccf708cdc0cb70f5bb5b65162963bnvdPatch
- git.kernel.org/stable/c/be409d2bbe9ca7da7b05cc7dde7499bc481f0766nvdPatch
- git.kernel.org/stable/c/be74e276111f3c23b8e040c8c5e308f67a573addnvdPatch
- git.kernel.org/stable/c/c33b4496e95d04722055446c0a31213639438536nvdPatch
News mentions
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