What’s Vulnerable › Vulnerabilities

CVE-2023-54319: pinctrl: at91-pio4: check return value of devm_kasprintf()

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-30 · updated 2026-06-17

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")

Affected products

• Linux kernel: 4.4 — fixed in 6.5

How to fix

Upgrade to a fixed version: Linux kernel 6.5. Check the vendor advisory for mitigations.

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

Get alerted when CVE-2023-54319 or the next vulnerability affects your stack