CVE-2025-40162
In the Linux kernel, the following vulnerability has been resolved: ASoC: amd/sdw_utils: avoid NULL deref when devm_kasprintf() fails devm_kasprintf() may return NULL on memory allocation failure, but the debug message prints cpus->dai_name before checking it. Move the dev_dbg() call after the NULL check to prevent potential NULL pointer dereference.
Affected versions
Linux kernel versions
6.12
and later are affected. Fixed in
6.12.55,
6.17.5,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-40162 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/095d692e5997ece300c89f10d903d5230090e6a0
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PatchKernel patch commithttps://git.kernel.org/stable/c/5726b68473f7153a7f6294185e5998b7e2a230a2
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PatchKernel patch commithttps://git.kernel.org/stable/c/a1cccbd19676fc36854535a7118ba2c27d0b84b3
Frequently asked questions
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What is CVE-2025-40162?
CVE-2025-40162 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.12 onward and has been patched in 6.12.55, 6.17.5 and 6.18. CVE-2025-40162 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-2025-40162?
Yes — CVE-2025-40162 has been patched. Fixed versions include 6.12.55, 6.17.5 and 6.18. If you are running Linux kernel 6.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-40162 actively exploited?
No — CVE-2025-40162 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.