SB20260424189 - Memory leak in Linux kernel hid driver
Published: April 24, 2026
Security Bulletin ID
SB20260424189
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory leak (CVE-ID: CVE-2026-31522)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a memory leak in magicmouse_report_fixup() when processing HID report descriptors. A local user can trigger the vulnerable code path to cause a denial of service.
Remediation
Install update from vendor's website.
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