CVE-2025-40081

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue was identified in the Linux kernel related to the perf subsystem and specifically the arm spe component. A cast to unsigned long was implemented for the nr pages variable to prevent potential overflow issues when handling large AUX buffer sizes greater than or equal to 2 GiB. The vulnerable function is PERF IDX2OFF().

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.