CVE-2025-40081 – perf: arm_spe: Prevent overflow in PERF_IDX2OFF()

CVE ID : CVE-2025-40081

Published : Oct. 28, 2025, 12:15 p.m. | 29 minutes ago

Description : In the Linux kernel, the following vulnerability has been resolved:

perf: arm_spe: Prevent overflow in PERF_IDX2OFF()

Cast nr_pages to unsigned long to avoid overflow when handling large
AUX buffer sizes (>= 2 GiB).

Severity: 0.0 | NA

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