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High 7.8Published Oct 28, 2025
CVE-2025-40081perf: arm_spe: Prevent overflow in PERF_IDX2OFF()
Updated under an hour ago ()
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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
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Deferred
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from d5d9696b03808bc6be723cc85288c912c3a05606 before 656e9a5d69acdd1b20462f4a33378b90ddcb9626; from d5d9696b03808bc6be723cc85288c912c3a05606 before 9c045d4501f7f70724a3bbb561f4f22d292bbfe6; from d5d9696b03808bc6be723cc85288c912c3a05606 before 5d01f2b81568289443d22f1e13a363f829de6343; from d5d9696b03808bc6be723cc85288c912c3a05606 before 7500384d3c9587593d75ded3b006835e7aa73ef8; from d5d9696b03808bc6be723cc85288c912c3a05606 before 379cae2cb982f571cda9493ac573ab71125fd299; from d5d9696b03808bc6be723cc85288c912c3a05606 before 1a19ba8e1f4ff24ece8ca69b79df8442c431db90; from d5d9696b03808bc6be723cc85288c912c3a05606 before e516cfd19b0f4c774a57b17fb43a7f41991f0735; from d5d9696b03808bc6be723cc85288c912c3a05606 before a29fea30dd93da16652930162b177941abd8c75e | CNA record |
References
- https://git.kernel.org/stable/c/656e9a5d69acdd1b20462f4a33378b90ddcb9626
- https://git.kernel.org/stable/c/9c045d4501f7f70724a3bbb561f4f22d292bbfe6
- https://git.kernel.org/stable/c/5d01f2b81568289443d22f1e13a363f829de6343
- https://git.kernel.org/stable/c/7500384d3c9587593d75ded3b006835e7aa73ef8
- https://git.kernel.org/stable/c/379cae2cb982f571cda9493ac573ab71125fd299
- https://git.kernel.org/stable/c/1a19ba8e1f4ff24ece8ca69b79df8442c431db90
- https://git.kernel.org/stable/c/e516cfd19b0f4c774a57b17fb43a7f41991f0735
- https://git.kernel.org/stable/c/a29fea30dd93da16652930162b177941abd8c75e
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.