FKIE_CVE-2025-40081
Vulnerability from fkie_nvd - Published: 2025-10-28 12:15 - Updated: 2026-06-17 09:21
Severity
Summary
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).
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/perf/arm_spe_pmu.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "656e9a5d69acdd1b20462f4a33378b90ddcb9626",
"status": "affected",
"version": "d5d9696b03808bc6be723cc85288c912c3a05606",
"versionType": "git"
},
{
"lessThan": "9c045d4501f7f70724a3bbb561f4f22d292bbfe6",
"status": "affected",
"version": "d5d9696b03808bc6be723cc85288c912c3a05606",
"versionType": "git"
},
{
"lessThan": "5d01f2b81568289443d22f1e13a363f829de6343",
"status": "affected",
"version": "d5d9696b03808bc6be723cc85288c912c3a05606",
"versionType": "git"
},
{
"lessThan": "7500384d3c9587593d75ded3b006835e7aa73ef8",
"status": "affected",
"version": "d5d9696b03808bc6be723cc85288c912c3a05606",
"versionType": "git"
},
{
"lessThan": "379cae2cb982f571cda9493ac573ab71125fd299",
"status": "affected",
"version": "d5d9696b03808bc6be723cc85288c912c3a05606",
"versionType": "git"
},
{
"lessThan": "1a19ba8e1f4ff24ece8ca69b79df8442c431db90",
"status": "affected",
"version": "d5d9696b03808bc6be723cc85288c912c3a05606",
"versionType": "git"
},
{
"lessThan": "e516cfd19b0f4c774a57b17fb43a7f41991f0735",
"status": "affected",
"version": "d5d9696b03808bc6be723cc85288c912c3a05606",
"versionType": "git"
},
{
"lessThan": "a29fea30dd93da16652930162b177941abd8c75e",
"status": "affected",
"version": "d5d9696b03808bc6be723cc85288c912c3a05606",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/perf/arm_spe_pmu.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.15"
},
{
"lessThan": "4.15",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.301",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.246",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.195",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.156",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.112",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.53",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.17.*",
"status": "unaffected",
"version": "6.17.3",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.18",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf: arm_spe: Prevent overflow in PERF_IDX2OFF()\n\nCast nr_pages to unsigned long to avoid overflow when handling large\nAUX buffer sizes (\u003e= 2 GiB)."
}
],
"id": "CVE-2025-40081",
"lastModified": "2026-06-17T09:21:13.893",
"metrics": {},
"published": "2025-10-28T12:15:42.717",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/1a19ba8e1f4ff24ece8ca69b79df8442c431db90"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/379cae2cb982f571cda9493ac573ab71125fd299"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/5d01f2b81568289443d22f1e13a363f829de6343"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/656e9a5d69acdd1b20462f4a33378b90ddcb9626"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/7500384d3c9587593d75ded3b006835e7aa73ef8"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/9c045d4501f7f70724a3bbb561f4f22d292bbfe6"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/a29fea30dd93da16652930162b177941abd8c75e"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/e516cfd19b0f4c774a57b17fb43a7f41991f0735"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Deferred"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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