CVE-2023-54319
Published Dec 30, 2025
Modified Apr 15, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: pinctrl: at91-pio4: check return value of devm_kasprintf() devm_kasprintf() returns a pointer to dynamically allocated memory. Pointer could be NULL in case allocation fails. Check pointer validity. Identified with coccinelle (kmerr.cocci script). Depends-on: 1c4e5c470a56 ("pinctrl: at91: use devm_kasprintf() to avoid potential leaks") Depends-on: 5a8f9cf269e8 ("pinctrl: at91-pio4: use proper format specifier for unsigned int")
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References
Other References
https://git.kernel.org/stable/c/0a95dd17a73b7603818ad7c46c99d757232be331
https://git.kernel.org/stable/c/0af388fce352ed2ab383fd5d1a08db551ca15c38
https://git.kernel.org/stable/c/3e8ce1d5a1a9d758b359e5c426543957f35991f8
https://git.kernel.org/stable/c/5bfd577cc728270d6cd7af6c652a1e7661f25487
https://git.kernel.org/stable/c/8a1fa202f47f39680a4305af744f499a324f8a03
https://git.kernel.org/stable/c/8d788f2ba830d6d32499b198c526d577c590eedf
https://git.kernel.org/stable/c/aa3932eb07392d626486428e2ffddc660658e22a
https://git.kernel.org/stable/c/f3c7b95c9991dab02e616fc251b6c3516e0bd0ac
https://git.kernel.org/stable/c/f6fd5d4ff8ca0b24cee1af4130bcb1fa96b61aa0
Frequently Asked Questions
What is CVE-2023-54319? +
In the Linux kernel, the following vulnerability has been resolved:
pinctrl: at91-pio4: check return value of devm_kasprintf()
devm_kasprintf() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).
Depends-on: 1c4e5c470a56 ("pinctrl: at91: use devm_kasprintf() to avoid potential leaks")
Depends-on: 5a8f9cf269e8 ("pinctrl: at91-pio4: use proper format specifier for unsigned int")
How do I check if I'm vulnerable to CVE-2023-54319? +
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.