CVE-2025-40010
Published Oct 20, 2025
Modified Apr 15, 2026
Description
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.
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References
Other References
https://git.kernel.org/stable/c/41782c44bb8431c43043129ae42f2ba614938479
https://git.kernel.org/stable/c/7b8381f3c405b864a814d747e526e078c3ef4bc2
https://git.kernel.org/stable/c/9158c6bb245113d4966df9b2ba602197a379412e
https://git.kernel.org/stable/c/a13dbc5e20c7284b82afe6f08debdecf51d2ca04
https://git.kernel.org/stable/c/cab278cead49a547ac84c3e185f446f381303eae
Frequently Asked Questions
What is 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.
How do I check if I'm vulnerable to CVE-2025-40010? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.