CVE-2026-31522
Published: April 23, 2026Last modified: April 23, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.168-r0) |
| 25 LTS | linux-lts | Fixed (6.12.80-r0) | |
| Stream | linux-lts | Fixed (6.12.80-r0) |
References
- https://git.kernel.org/stable/c/136f605e246b4bfe7ac2259471d1ff814aed0084
- https://git.kernel.org/stable/c/579c4c9857acdc8380fa99803f355f878bd766cb
- https://git.kernel.org/stable/c/79e5dcc95d9abed6f8203cfd529f4ec71f0e505d
- https://git.kernel.org/stable/c/7edfe4346b052b708645d0acc0f186425766b785
- https://git.kernel.org/stable/c/91e8c6e601bdc1ccdf886479b6513c01c7e51c2c
- https://git.kernel.org/stable/c/d84c21aabaab517b9aaf9bc1d785922cb9db2f31
- https://git.kernel.org/stable/c/fa95b0146358b49f9858139b67314591fd5871b0