HighFix available
drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup vddInd and vddcInd fields from VBIOS-parsed tables are used to index into voltage lookup tables without a bounds check. Return -EINVAL when any index is out of range.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.270, 5.15.221, 6.1.188, 6.12.110, 6.18.52, 6.6.157, 7.2.6
- CVEs
- CVE-2026-93178
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 08:49 UTC · Revision 1
Source evidence
drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup
core-osv · Original sourcePublished 17 Sept 2026, 16:12 UTC
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup vddInd and vddcInd fields from VBIOS-parsed tables are used to index into voltage lookup tables without a bounds check. Return -EINVAL when any index is out of range.
osv:CVE-2026-93178
Kernel
Fixed versions: 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52, 7.2.6
Complete source record
{
"id": "2177b31a80c53772adafb12273407e4524b4ff5013cb7cf1a714cd31a2eeeeb0",
"url": "https://osv.dev/vulnerability/CVE-2026-93178",
"method": "structured",
"payload": {
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"title": "drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup",
"summary": "In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup vddInd and vddcInd fields from VBIOS-parsed tables are used to index into voltage lookup tables without a bounds check. Return -EINVAL when any index is out of range.",
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"modified": "2026-10-28T02:30:27.260452357Z",
"provider": "osv",
"references": [
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"https://nvd.nist.gov/vuln/detail/CVE-2026-93178",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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"provider_metadata": {
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},
"related_cves": [
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"evidence": "/id"
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 493970,
"published_at": "2026-09-17T16:12:06.631+00:00"
}