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Vulnerability record · CVE-2025-40081 · published 28 October 2025

CVE-2025-40081: In the Linux kernel, the following vulnerability has been resolved: perf: arm_spe: Prevent overflow in PERF_I…

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).

7.8 CVSS 3.1 High EPSS 0.14% · top 96.9% Deferred
7.8CVSS 3.1 base score
0.14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
8References
30 Jul 2026Last modified by NVD

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).

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

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Source: NIST National Vulnerability Database (record CVE-2025-40081), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.