CVE-2025-40010
In the Linux kernel, the following vulnerability has been resolved: afs: Fix potential null pointer dereference in afs_put_server afs_put_server() accessed server->debug_id before the NULL check, which could lead to a null pointer dereference. Move the debug_id assignment, ensuring we never dereference a NULL server pointer.
Affected versions
Linux kernel versions
6.0
and later are affected. Fixed in
6.1.155,
6.6.109,
6.12.50,
6.16.10,
6.17
and their respective stable series.
References
The following references provide additional information about CVE-2025-40010 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/41782c44bb8431c43043129ae42f2ba614938479
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PatchKernel patch commithttps://git.kernel.org/stable/c/7b8381f3c405b864a814d747e526e078c3ef4bc2
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PatchKernel patch commithttps://git.kernel.org/stable/c/9158c6bb245113d4966df9b2ba602197a379412e
Frequently asked questions
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What is CVE-2025-40010?
CVE-2025-40010 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.0 onward and has been patched in 6.1.155, 6.6.109, 6.12.50 and others. CVE-2025-40010 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-2025-40010?
Yes — CVE-2025-40010 has been patched. Fixed versions include 6.1.155, 6.6.109, 6.12.50 and others. If you are running Linux kernel 6.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-40010 actively exploited?
No — CVE-2025-40010 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.