CVE-2023-54319
pinctrl: at91-pio4: check return value of devm_kasprintf()
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
30 Dec 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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 · LinuxReferences
https://git.kernel.org/stable/c/0a95dd17a73b7603818ad7c46c99d757232be331https://git.kernel.org/stable/c/0af388fce352ed2ab383fd5d1a08db551ca15c38https://git.kernel.org/stable/c/3e8ce1d5a1a9d758b359e5c426543957f35991f8https://git.kernel.org/stable/c/5bfd577cc728270d6cd7af6c652a1e7661f25487https://git.kernel.org/stable/c/8a1fa202f47f39680a4305af744f499a324f8a03https://git.kernel.org/stable/c/8d788f2ba830d6d32499b198c526d577c590eedfhttps://git.kernel.org/stable/c/aa3932eb07392d626486428e2ffddc660658e22ahttps://git.kernel.org/stable/c/f3c7b95c9991dab02e616fc251b6c3516e0bd0achttps://git.kernel.org/stable/c/f6fd5d4ff8ca0b24cee1af4130bcb1fa96b61aa0