CVE-2025-68238
In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: cadence: fix DMA device NULL pointer dereference The DMA device pointer `dma_dev` was being dereferenced before ensuring that `cdns_ctrl->dmac` is properly initialized. Move the assignment of `dma_dev` after successfully acquiring the DMA channel to ensure the pointer is valid before use.
Affected versions
Linux kernel versions
5.10.235,
5.15.179,
6.1.130,
6.6.80,
6.12.17,
6.13.5,
6.14
and later are affected. Fixed in
5.10.247,
5.15.197,
6.1.159,
6.6.118,
6.12.60,
6.17.10,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-68238 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/0c2a43cb43786011b48eeab6093db14888258c6b
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PatchKernel patch commithttps://git.kernel.org/stable/c/0c635241a62f2f5da1b48bfffae226d1f86a76ef
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PatchKernel patch commithttps://git.kernel.org/stable/c/2178b0255eae108bb10e5e99658b28641bc06f43
Frequently asked questions
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What is CVE-2025-68238?
CVE-2025-68238 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.10.235 onward and has been patched in 5.10.247, 5.15.197, 6.1.159 and others. CVE-2025-68238 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-68238?
Yes — CVE-2025-68238 has been patched. Fixed versions include 5.10.247, 5.15.197, 6.1.159 and others. If you are running Linux kernel 5.10.235 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-68238 actively exploited?
No — CVE-2025-68238 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.