#VU124902 Improper input validation in Linux kernel - CVE-2026-23468
Published: April 6, 2026
Vulnerability identifier: #VU124902
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-23468
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper input validation in the amdgpu BO list handling when processing the bo_number field from userspace. A local user can supply an excessive number of BO list entries to cause a denial of service.
The issue can lead to excessive memory allocation and unnecessarily long list processing times.
Remediation
Install security update from vendor's repository.