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 0.0001
EPSS Percentile 2.3%
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 (26)
Linux/Linux < 5.17
Linux/Linux 0b91b4e4dae63cd43871fc2012370b86ee588f91 - 136f605e246b4bfe7ac2259471d1ff814aed0084
Linux/Linux 0b91b4e4dae63cd43871fc2012370b86ee588f91 - 79e5dcc95d9abed6f8203cfd529f4ec71f0e505d
Linux/Linux 0b91b4e4dae63cd43871fc2012370b86ee588f91 - 7edfe4346b052b708645d0acc0f186425766b785
Linux/Linux 0b91b4e4dae63cd43871fc2012370b86ee588f91 - 91e8c6e601bdc1ccdf886479b6513c01c7e51c2c
Linux/Linux 0b91b4e4dae63cd43871fc2012370b86ee588f91 - d84c21aabaab517b9aaf9bc1d785922cb9db2f31
Linux/Linux 0b91b4e4dae63cd43871fc2012370b86ee588f91 - fa95b0146358b49f9858139b67314591fd5871b0
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 136f605e246b4bfe7ac2259471d1ff814aed0084
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 579c4c9857acdc8380fa99803f355f878bd766cb
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 79e5dcc95d9abed6f8203cfd529f4ec71f0e505d
... and 16 more
Published Apr 22, 2026
Tracked Since Apr 22, 2026