UnratedFix available
iommu/amd: Avoid stack buffer overflow from kernel cmdline
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Avoid stack buffer overflow from kernel cmdline While the kernel command line is considered trusted in most environments, avoid writing 1 byte past the end of "acpiid" if the "str" argument is maximum length.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.241, 5.15.190, 6.1.149, 6.12.44, 6.16.4, 6.6.103
- CVEs
- CVE-2025-38676
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 17:05 UTC · Revision 1
Source evidence
iommu/amd: Avoid stack buffer overflow from kernel cmdline
core-osv · Original sourcePublished 26 Aug 2025, 13:07 UTC
In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Avoid stack buffer overflow from kernel cmdline While the kernel command line is considered trusted in most environments, avoid writing 1 byte past the end of "acpiid" if the "str" argument is maximum length.
osv:CVE-2025-38676
Kernel
Fixed versions: 5.10.241, 5.15.190, 6.1.149, 6.6.103, 6.12.44, 6.16.4
Complete source record
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"url": "https://osv.dev/vulnerability/CVE-2025-38676",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "iommu/amd: Avoid stack buffer overflow from kernel cmdline",
"summary": "In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Avoid stack buffer overflow from kernel cmdline While the kernel command line is considered trusted in most environments, avoid writing 1 byte past the end of \"acpiid\" if the \"str\" argument is maximum length.",
"evidence": "osv:CVE-2025-38676",
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"modified": "2026-10-28T02:30:21.396661260Z",
"provider": "osv",
"references": [
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"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html",
"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38676.json",
"https://nvd.nist.gov/vuln/detail/CVE-2025-38676",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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"source_id": "core-osv",
"document_id": 487501,
"published_at": "2025-08-26T13:07:48.761+00:00"
}