Out-of-bounds read in Linux kernel - CVE-2026-31524
Published: April 24, 2026
Vulnerability identifier: #VU127622
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2026-31524
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to an out-of-bounds read in asus_report_fixup() when copying the HID report descriptor. A local user can attach or interact with a crafted device descriptor to cause a denial of service.
How to mitigate CVE-2026-31524
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/2bad24c17742fc88973d6aea526ce1353f5334a3
- https://git.kernel.org/stable/c/2e4fe6b15c2f390c023b20d728b1a3fe7ea4f973
- https://git.kernel.org/stable/c/726765b43deb2b4723869d673cc5fc6f7a3b2059
- https://git.kernel.org/stable/c/7a6d6e4d8af044f94fa97e97af5ff2771e1fbebd
- https://git.kernel.org/stable/c/84724ac4821a160d47b84289adf139023027bdbb
- https://git.kernel.org/stable/c/a41cc7c1668e44ff2c2d36f9a6353253ffc43e3c
- https://git.kernel.org/stable/c/ede95cfcab8064d9a08813fbd7ed42cea8843dcf
- https://git.kernel.org/stable/c/f20f17cffbe34fb330267e0f8084f5565f807444