CVE-2025-40081

perf: arm_spe: Prevent overflow in PERF_IDX2OFF()

State
Published
Severity
7.8 High
Published
Oct 28, 2025
Updated
Oct 15, 2026
Reserved
Apr 16, 2025

Read the record on cve.org

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).

Scores

CVSSScoreVectorSource
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • d5d9696b03808bc6be723cc85288c912c3a05606 to before 656e9a5d69acdd1b20462f4a33378b90ddcb9626Affected
  • d5d9696b03808bc6be723cc85288c912c3a05606 to before 9c045d4501f7f70724a3bbb561f4f22d292bbfe6Affected
  • d5d9696b03808bc6be723cc85288c912c3a05606 to before 5d01f2b81568289443d22f1e13a363f829de6343Affected
  • d5d9696b03808bc6be723cc85288c912c3a05606 to before 7500384d3c9587593d75ded3b006835e7aa73ef8Affected
  • d5d9696b03808bc6be723cc85288c912c3a05606 to before 379cae2cb982f571cda9493ac573ab71125fd299Affected
  • d5d9696b03808bc6be723cc85288c912c3a05606 to before 1a19ba8e1f4ff24ece8ca69b79df8442c431db90Affected
  • d5d9696b03808bc6be723cc85288c912c3a05606 to before e516cfd19b0f4c774a57b17fb43a7f41991f0735Affected
  • d5d9696b03808bc6be723cc85288c912c3a05606 to before a29fea30dd93da16652930162b177941abd8c75eAffected
LinuxLinux
  • 4.15Affected
  • before 4.15Not affected
  • 5.4.301 through 5.4.*Not affected
  • 5.10.246 through 5.10.*Not affected
  • 5.15.195 through 5.15.*Not affected
  • 6.1.156 through 6.1.*Not affected
  • 6.6.112 through 6.6.*Not affected
  • 6.12.53 through 6.12.*Not affected
  • 6.17.3 through 6.17.*Not affected
  • 6.18 and laterNot affected

References

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