CVE-2025-40081 - Vulnerability Details - OpenCVE

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).

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00024.

Key SSVC decision points have not yet been added.

No data.

No data.

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No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://git.kernel.org/stable/c/1a19ba8e1f4ff24ece8ca69b79df8442c431db90
https://git.kernel.org/stable/c/379cae2cb982f571cda9493ac573ab71125fd299
https://git.kernel.org/stable/c/5d01f2b81568289443d22f1e13a363f829de6343
https://git.kernel.org/stable/c/7500384d3c9587593d75ded3b006835e7aa73ef8
https://git.kernel.org/stable/c/a29fea30dd93da16652930162b177941abd8c75e
https://git.kernel.org/stable/c/e516cfd19b0f4c774a57b17fb43a7f41991f0735

History

Tue, 28 Oct 2025 12:00:00 +0000

Type	Values Removed	Values Added
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).
Title		perf: arm_spe: Prevent overflow in PERF_IDX2OFF()
References		https://git.kernel.org/stable/c/1a19ba8e1f4ff24ece8ca69b79df8442c431db90 https://git.kernel.org/stable/c/379cae2cb982f571cda9493ac573ab71125fd299 https://git.kernel.org/stable/c/5d01f2b81568289443d22f1e13a363f829de6343 https://git.kernel.org/stable/c/7500384d3c9587593d75ded3b006835e7aa73ef8 https://git.kernel.org/stable/c/a29fea30dd93da16652930162b177941abd8c75e https://git.kernel.org/stable/c/e516cfd19b0f4c774a57b17fb43a7f41991f0735

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-10-28T11:48:45.392Z

Updated: 2025-10-28T11:48:45.392Z

Reserved: 2025-04-16T07:20:57.161Z

Link: CVE-2025-40081

Vulnrichment

No data.

NVD

Status : Received

Published: 2025-10-28T12:15:42.717

Modified: 2025-10-28T12:15:42.717

Link: CVE-2025-40081

Redhat

No data.

OpenCVE Enrichment

No data.

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