SB20260424199 - Memory leak in Linux kernel hid driver
Published: April 24, 2026
Security Bulletin ID
SB20260424199
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-2026-31520)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: 4.8 [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]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a memory leak in apple_report_fixup() in the HID apple driver when processing crafted HID report descriptors. A local user can connect or emulate a crafted HID device to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/239c15116d80f67d32f00acc34575f1a6b699613
- https://git.kernel.org/stable/c/2635d0c715f3fb177e0f80ecd5fa48feb6bf3884
- https://git.kernel.org/stable/c/31860c3f7ac66ab897a8c90dc4e74fa17ca0b624
- https://git.kernel.org/stable/c/be1a341c161430282acdfe2ac99b413271575cf1
- https://git.kernel.org/stable/c/e2f090aeb7b9930a964e151910f4d45b04c8a7e5
- https://git.kernel.org/stable/c/e652ebd29928181c3e6820e303da25873e9917d4