CVE-2023-54248
Published Dec 30, 2025
Modified Apr 15, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Add check for kmemdup Since the kmemdup may return NULL pointer, it should be better to add check for the return value in order to avoid NULL pointer dereference.
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References
Other References
https://git.kernel.org/stable/c/7898db22ed6cee909513cf4935b5f9f0298b74f0
https://git.kernel.org/stable/c/952bbfcedbf895963509861e55a6e4fc105eb842
https://git.kernel.org/stable/c/9f36704a58adade3b0216f8a3fa5503db4517208
https://git.kernel.org/stable/c/cdcdfd57f4c701f832787da1309cc6687917d783
https://git.kernel.org/stable/c/e6c3cef24cb0d045f99d5cb039b344874e3cfd74
Frequently Asked Questions
What is CVE-2023-54248? +
In the Linux kernel, the following vulnerability has been resolved:
fs/ntfs3: Add check for kmemdup
Since the kmemdup may return NULL pointer,
it should be better to add check for the return value
in order to avoid NULL pointer dereference.
How do I check if I'm vulnerable to CVE-2023-54248? +
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.