CVE-2026-31522
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability2. percentile0.1%
Product
Linux Kernel
PublishedApr 22, 2026
First seenApr 22, 2026
Weakness typeCWE-401CWE-401
How to fix
Update
- linux linux_kernel5.15.203, 5.17, 6.1.168, 6.6.131, 6.12.80, 6.18.21, 6.19.11 or later
Patches
- git.kernel.org/stable/c/136f605e246b4bfe7ac2259471d1ff814aed0084
- git.kernel.org/stable/c/579c4c9857acdc8380fa99803f355f878bd766cb
- git.kernel.org/stable/c/79e5dcc95d9abed6f8203cfd529f4ec71f0e505d
- git.kernel.org/stable/c/7edfe4346b052b708645d0acc0f186425766b785
- git.kernel.org/stable/c/91e8c6e601bdc1ccdf886479b6513c01c7e51c2c
- git.kernel.org/stable/c/d84c21aabaab517b9aaf9bc1d785922cb9db2f31
- git.kernel.org/stable/c/fa95b0146358b49f9858139b67314591fd5871b0
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.15.17 ≤ v < 5.15.203, 5.16.3 ≤ v < 5.17, 5.17 ≤ v < 6.1.168, 6.2 ≤ v < 6.6.131, 6.7 ≤ v < 6.12.80, 6.13 ≤ v < 6.18.21, 6.19 ≤ v < 6.19.11, 7.0 | 5.15.203, 5.17, 6.1.168, 6.6.131, 6.12.80, 6.18.21, 6.19.11 |
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