CVE-2026-31522

MEDIUM

HID: magicmouse: avoid memory leak in magicmouse_report_fixup()

Title source: cna
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: HID: magicmouse: avoid memory leak in magicmouse_report_fixup() The magicmouse_report_fixup() function was returning a newly kmemdup()-allocated buffer, but never freeing it. The caller of report_fixup() does not take ownership of the returned pointer, but it *is* permitted to return a sub-portion of the input rdesc, whose lifetime is managed by the caller.

Scores

CVSS v3 5.5
EPSS 0.0012
EPSS Percentile 2.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (34)
linux/Kernel < 5.15.203linux
linux/Kernel 5.16.0 - 6.1.168linux
linux/Kernel 5.17.0 - 6.6.131linux
linux/Kernel 6.13.0 - 6.19.11linux
linux/Kernel 6.2.0 - 6.12.80linux
linux/Kernel 6.7.0 - 6.18.21linux
Linux/Linux < 5.17
Linux/Linux 0b91b4e4dae63cd43871fc2012370b86ee588f91 - 136f605e246b4bfe7ac2259471d1ff814aed0084
Linux/Linux 0b91b4e4dae63cd43871fc2012370b86ee588f91 - 79e5dcc95d9abed6f8203cfd529f4ec71f0e505d
Linux/Linux 0b91b4e4dae63cd43871fc2012370b86ee588f91 - 7edfe4346b052b708645d0acc0f186425766b785
... and 24 more
Published Apr 22, 2026
Tracked Since Apr 22, 2026