CVE-2025-21783

Name: CVE-2025-21783
Creator: NVD / NIST
Published: 2025-02-27T03:15:19.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.20%

Last modified Jun 17, 2026

CVE-2025-21783 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: gpiolib: Fix crash on error in gpiochip_get_ngpios() The gpiochip_get_ngpios() uses chip_*() macros to print messages. However these macros rely on gpiodev to be initialised and set, which is not the case when called via bgpio_init(). In such a case the printing messages will crash on NULL pointer dereference. Replace chip_*() macros by the respective dev_*() ones to avoid such crash.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: gpiolib: Fix crash on error in gpiochip_get_ngpios() The gpiochip_get_ngpios() uses chip_*() macros to print messages. However these macros rely on gpiodev to be initialised and set, which is not the case when called via bgpio_init(). In such a case the printing messages will crash on NULL pointer dereference. Replace chip_*() macros by the respective dev_*() ones to avoid such crash.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.20%

10.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	>= 6.6, < 6.6.79	—
Linux	Linux Kernel	>= 6.7, < 6.12.16	—
Linux	Linux Kernel	>= 6.13, < 6.13.4	—
Linux	Linux Kernel	6.14	Rc1

References

https://git.kernel.org/stable/c/189fb76215e479c10731baabb50f1a352d2078f5Mailing List, Patch
https://git.kernel.org/stable/c/4d9b2b62e1136d10f661ec4c0c268140b6f74f4fMailing List, Patch
https://git.kernel.org/stable/c/7b4aebeecbbd5b5fe73e35fad3f62ed21aa7ef44Mailing List, Patch
https://git.kernel.org/stable/c/a7052afa9eae2239e25943baa8817a6a56e8aa68Mailing List, Patch

Timeline

Published: Feb 27, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-21783?

How severe is CVE-2025-21783?

CVE-2025-21783 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.

How do I fix CVE-2025-21783?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-21783?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST