CVE-2025-38676
HighPublished
iommu/amd: Avoid stack buffer overflow from kernel cmdline
- Published
- Aug 26, 2025
- Updated
- May 23, 2026
- Assigning CNA
- Linux
- Evidence observed
- Aug 8, 2026
Primary CVSS
7.8/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H0.4%
Low · next 30 days
- Percentile
- 34.3%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
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.
Sources
1Stack buffer overflow during cmdline parsing
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.