CVE-2025-40045
In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: wcd937x: set the comp soundwire port correctly For some reason we endup with setting soundwire port for HPHL_COMP and HPHR_COMP as zero, this can potentially result in a memory corruption due to accessing and setting -1 th element of port_map array.
Affected versions
Linux kernel versions
6.11
and later are affected. Fixed in
6.12.53,
6.17.3,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-40045 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/1a1ca38392e7e896075afc8905ddaea525ed30f7
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PatchKernel patch commithttps://git.kernel.org/stable/c/66a940b1bf48a7095162688332d725ba160154eb
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PatchKernel patch commithttps://git.kernel.org/stable/c/abcd537aae3b84c6d10ad147e99a204bcb56b234
Frequently asked questions
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What is CVE-2025-40045?
CVE-2025-40045 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.11 onward and has been patched in 6.12.53, 6.17.3 and 6.18. CVE-2025-40045 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-2025-40045?
Yes — CVE-2025-40045 has been patched. Fixed versions include 6.12.53, 6.17.3 and 6.18. If you are running Linux kernel 6.11 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-40045 actively exploited?
No — CVE-2025-40045 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.