HighFix available
udmabuf: fix a buf size overflow issue during udmabuf creation
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: udmabuf: fix a buf size overflow issue during udmabuf creation by casting size_limit_mb to u64 when calculate pglimit.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.237, 5.15.181, 5.4.293, 6.1.136, 6.12.57, 6.14.5, 6.6.89
- CVEs
- CVE-2025-37803
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 17:40 UTC · Revision 1
Source evidence
udmabuf: fix a buf size overflow issue during udmabuf creation
core-osv · Original sourcePublished 8 May 2025, 06:26 UTC
In the Linux kernel, the following vulnerability has been resolved: udmabuf: fix a buf size overflow issue during udmabuf creation by casting size_limit_mb to u64 when calculate pglimit.
osv:CVE-2025-37803
Kernel
Fixed versions: 5.4.293, 5.10.237, 5.15.181, 6.1.136, 6.6.89, 6.12.57, 6.14.5
Complete source record
{
"id": "94713eddfa160c3d6b1f9d1e5c20f6240cb229fec755a11f8a7904455c8f4fe9",
"url": "https://osv.dev/vulnerability/CVE-2025-37803",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "udmabuf: fix a buf size overflow issue during udmabuf creation",
"summary": "In the Linux kernel, the following vulnerability has been resolved: udmabuf: fix a buf size overflow issue during udmabuf creation by casting size_limit_mb to u64 when calculate pglimit.",
"evidence": "osv:CVE-2025-37803",
"products": [
{
"name": {
"value": "Kernel",
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},
"prerequisites": [],
"fixed_versions": [
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"value": "5.4.293",
"evidence": "/affected/1/ranges"
},
{
"value": "5.10.237",
"evidence": "/affected/1/ranges"
},
{
"value": "5.15.181",
"evidence": "/affected/1/ranges"
},
{
"value": "6.1.136",
"evidence": "/affected/1/ranges"
},
{
"value": "6.6.89",
"evidence": "/affected/1/ranges"
},
{
"value": "6.12.57",
"evidence": "/affected/1/ranges"
},
{
"value": "6.14.5",
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}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "CVE-2025-37803",
"aliases": [
"CVE-2025-37803"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
{
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{
"fixed": "e84a08fc7e25cdad5d9a3def42cc770ff711193f"
},
{
"fixed": "13fe12c037b470321436deec393030c6153cfeb9"
},
{
"fixed": "373512760e13fdaa726faa9502d0f5be2abb3d33"
},
{
"fixed": "3f6c9d66e0f8eb9679b57913aa64b4d2266f6fbe"
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{
"fixed": "b2ff4e9c599b000833d16a917f519aa2e4a75de2"
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{
"fixed": "29b65a3171a49c9b69f31035146be966cec40b7a"
},
{
"fixed": "2b8419c6ecf69007dcff54ea0b9f0b215282c55a"
},
{
"fixed": "021ba7f1babd029e714d13a6bf2571b08af96d0f"
}
]
}
],
"database_specific": {
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}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "4.20.0"
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{
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},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.5.0"
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{
"fixed": "5.10.237"
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},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.11.0"
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{
"fixed": "5.15.181"
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]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.16.0"
},
{
"fixed": "6.1.136"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.6.89"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.7.0"
},
{
"fixed": "6.12.57"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.13.0"
},
{
"fixed": "6.14.5"
}
]
}
],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-37803.json"
}
}
],
"modified": "2026-10-28T02:30:31.064320973Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/021ba7f1babd029e714d13a6bf2571b08af96d0f",
"https://git.kernel.org/stable/c/13fe12c037b470321436deec393030c6153cfeb9",
"https://git.kernel.org/stable/c/29b65a3171a49c9b69f31035146be966cec40b7a",
"https://git.kernel.org/stable/c/2b8419c6ecf69007dcff54ea0b9f0b215282c55a",
"https://git.kernel.org/stable/c/373512760e13fdaa726faa9502d0f5be2abb3d33",
"https://git.kernel.org/stable/c/3f6c9d66e0f8eb9679b57913aa64b4d2266f6fbe",
"https://git.kernel.org/stable/c/b2ff4e9c599b000833d16a917f519aa2e4a75de2",
"https://git.kernel.org/stable/c/e84a08fc7e25cdad5d9a3def42cc770ff711193f",
"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html",
"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37803.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-37803",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37803.json"
}
},
"related_cves": [
{
"value": "CVE-2025-37803",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 497951,
"published_at": "2025-05-08T06:26:03.819+00:00"
}