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Vulnerability record · CVE-2023-54207 · published 30 December 2025

CVE-2023-54207: Linux kernel use after free vulnerability

Linux · Linux Kernel

In the Linux kernel, the following vulnerability has been resolved: HID: uclogic: Correct devm device reference for hidinput input_dev name Reference the HID device rather than the input device for the devm allocation of the input_dev name. Referencing the input_dev would lead to a use-after-free when the input_dev was unregistered and subsequently fires a uevent that depends on the name. At the point of firing the uevent, the name would be freed by devres management. Use devm_kasprintf to simplify the logic for allocating memory and formatting the input_dev name string.

7.8 CVSS 3.1 High EPSS 0.16% · top 95.9% CWE-416 · Use after free
7.8CVSS 3.1 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

In the Linux kernel, the following vulnerability has been resolved: HID: uclogic: Correct devm device reference for hidinput input_dev name Reference the HID device rather than the input device for the devm allocation of the input_dev name. Referencing the input_dev would lead to a use-after-free when the input_dev was unregistered and subsequently fires a uevent that depends on the name. At the point of firing the uevent, the name would be freed by devres management. Use devm_kasprintf to simplify the logic for allocating memory and formatting the input_dev name string.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/4c2707dfee5847dc0b5ecfbe512c29c93832fdc4 Patch
https://git.kernel.org/stable/c/51f49e3927ad545cec0c0afb86856ccacd9f085d Patch
https://git.kernel.org/stable/c/58f0d1c0e494a88f301bf455da7df4366f179bbb Patch
https://git.kernel.org/stable/c/dd613a4e45f8d35f49a63a2064e5308fa5619e29 Patch
https://git.kernel.org/stable/c/f283805d984343b2f216e2f4c6c7af265b9542ae Patch
https://git.kernel.org/stable/c/f78bb490b16ecb506d4904be4b00bf9aad6588f9 Patch

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Source: NIST National Vulnerability Database (record CVE-2023-54207), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.