CVE-2025-40033
In the Linux kernel, the following vulnerability has been resolved: remoteproc: pru: Fix potential NULL pointer dereference in pru_rproc_set_ctable() pru_rproc_set_ctable() accessed rproc->priv before the IS_ERR_OR_NULL check, which could lead to a null pointer dereference. Move the pru assignment, ensuring we never dereference a NULL rproc pointer.
Affected versions
Linux kernel versions
6.3
and later are affected. Fixed in
6.6.112,
6.12.53,
6.17.3,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-40033 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/66821fdb723d55b25482a76b92d17d416efeae6b
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PatchKernel patch commithttps://git.kernel.org/stable/c/c9b6d789591f2bd57b0cbd59592493e11e029ed4
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PatchKernel patch commithttps://git.kernel.org/stable/c/d41e075b077142bb9ae5df40b9ddf9fd7821a811
Frequently asked questions
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What is CVE-2025-40033?
CVE-2025-40033 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.3 onward and has been patched in 6.6.112, 6.12.53, 6.17.3 and others. CVE-2025-40033 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-2025-40033?
Yes — CVE-2025-40033 has been patched. Fixed versions include 6.6.112, 6.12.53, 6.17.3 and others. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-40033 actively exploited?
No — CVE-2025-40033 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.