Out-of-bounds read in Linux kernel - CVE-2026-80772
Published: September 6, 2026
Vulnerability identifier: #VU147153
CSH Severity: Low
CVSS v4: 2.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80772
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an attacker with physical access to disclose driver-internal memory.
The vulnerability exists due to an out-of-bounds read in joycon_ctlr_read_handler() when processing an undersized IMU HID input report. An attacker with physical access can provide a specially crafted HID input report to disclose driver-internal memory.
Affected software
Linux kernel
How to mitigate CVE-2026-80772
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3
External References
- https://git.kernel.org/stable/c/27b376b945c0aac46fcdfcc950b14a85b874b557
- https://git.kernel.org/stable/c/33ea29f8b6141f2d265de807e110a6435b355cb0
- https://git.kernel.org/stable/c/34725ed4719da424113db8449fb5485aaf71a913
- https://git.kernel.org/stable/c/51cfd1adbe7a46bb08af162abb3ab3b6820e2d15
- https://git.kernel.org/stable/c/addca61f9a23c0d20a387c2040e70479f54518e1
- https://git.kernel.org/stable/c/bd397c4123a4bc084913d8c7fdb40ef94e9f8172
- https://git.kernel.org/stable/c/d4cabd4089adb59cf7974915737c52cc47a9bb1b