CVE-2025-40081
High
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).
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux
PublishedOct 28, 2025
First seenOct 28, 2025
How to fix
Update
- Linux Linux656e9a5d69acdd1b20462f4a33378b90ddcb9626, 9c045d4501f7f70724a3bbb561f4f22d292bbfe6, 5d01f2b81568289443d22f1e13a363f829de6343, 7500384d3c9587593d75ded3b006835e7aa73ef8, 379cae2cb982f571cda9493ac573ab71125fd299, 1a19ba8e1f4ff24ece8ca69b79df8442c431db90, e516cfd19b0f4c774a57b17fb43a7f41991f0735, a29fea30dd93da16652930162b177941abd8c75e or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | d5d9696b03808bc6be723cc85288c912c3a05606 ≤ v < 656e9a5d69acdd1b20462f4a33378b90ddcb9626, d5d9696b03808bc6be723cc85288c912c3a05606 ≤ v < 9c045d4501f7f70724a3bbb561f4f22d292bbfe6, d5d9696b03808bc6be723cc85288c912c3a05606 ≤ v < 5d01f2b81568289443d22f1e13a363f829de6343, d5d9696b03808bc6be723cc85288c912c3a05606 ≤ v < 7500384d3c9587593d75ded3b006835e7aa73ef8, d5d9696b03808bc6be723cc85288c912c3a05606 ≤ v < 379cae2cb982f571cda9493ac573ab71125fd299, d5d9696b03808bc6be723cc85288c912c3a05606 ≤ v < 1a19ba8e1f4ff24ece8ca69b79df8442c431db90, d5d9696b03808bc6be723cc85288c912c3a05606 ≤ v < e516cfd19b0f4c774a57b17fb43a7f41991f0735, d5d9696b03808bc6be723cc85288c912c3a05606 ≤ v < a29fea30dd93da16652930162b177941abd8c75e, 4.15 | 656e9a5d69acdd1b20462f4a33378b90ddcb9626, 9c045d4501f7f70724a3bbb561f4f22d292bbfe6, 5d01f2b81568289443d22f1e13a363f829de6343, 7500384d3c9587593d75ded3b006835e7aa73ef8, 379cae2cb982f571cda9493ac573ab71125fd299, 1a19ba8e1f4ff24ece8ca69b79df8442c431db90, e516cfd19b0f4c774a57b17fb43a7f41991f0735, a29fea30dd93da16652930162b177941abd8c75e |
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