HighFix available
drm/amdkfd: validate SVM ioctl nattr against buffer size
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.15.209, 6.1.175, 6.12.90, 6.18.32, 6.6.140, 7.0.9
- CVEs
- CVE-2026-46197
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 19:29 UTC · Revision 1
Source evidence
drm/amdkfd: validate SVM ioctl nattr against buffer size
core-osv · Original sourcePublished 28 May 2026, 09:40 UTC
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)
osv:CVE-2026-46197
Kernel
Fixed versions: 5.15.209, 6.1.175, 6.6.140, 6.12.90, 6.18.32, 7.0.9
Complete source record
{
"id": "8818433555e55baa9abe38541c85645ae4849c140b34a6978977e12deb6d5463",
"url": "https://osv.dev/vulnerability/CVE-2026-46197",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "drm/amdkfd: validate SVM ioctl nattr against buffer size",
"summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)",
"evidence": "osv:CVE-2026-46197",
"products": [
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"name": {
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"evidence": "/affected/1/package/name"
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"prerequisites": [],
"fixed_versions": [
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"value": "5.15.209",
"evidence": "/affected/1/ranges"
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{
"value": "6.1.175",
"evidence": "/affected/1/ranges"
},
{
"value": "6.6.140",
"evidence": "/affected/1/ranges"
},
{
"value": "6.12.90",
"evidence": "/affected/1/ranges"
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{
"value": "6.18.32",
"evidence": "/affected/1/ranges"
},
{
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}
],
"affected_versions": []
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],
"severity": "high",
"structured": {
"id": "CVE-2026-46197",
"aliases": [
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],
"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
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"affected": [
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{
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{
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{
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{
"type": "ECOSYSTEM",
"events": [
{
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{
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{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.19.0"
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{
"fixed": "7.0.9"
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]
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],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
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"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46197.json"
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}
],
"modified": "2026-10-28T02:30:22.608334453Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/045e0ff208f0838a246c10204105126611b267a1",
"https://git.kernel.org/stable/c/6abd3a4417cb73a7d0db7e25bf11fae1074bdba3",
"https://git.kernel.org/stable/c/91c6dc5a41695d02dfc6299f106ac38a6c493e52",
"https://git.kernel.org/stable/c/ccd060b5c7cc75ae7e211c250b97c5b6272e7efc",
"https://git.kernel.org/stable/c/daa8bc5f83814b55b71d2b5b3a090d57a5219c21",
"https://git.kernel.org/stable/c/db9530a9873a7c85d2266a922589ebcf427fa631",
"https://git.kernel.org/stable/c/fb07a0c9c8419164812e07274947f11b1d92dd61",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46197.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-46197",
"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/2026/46xxx/CVE-2026-46197.json"
}
},
"related_cves": [
{
"value": "CVE-2026-46197",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 489180,
"published_at": "2026-05-28T09:40:13.722+00:00"
}