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CVE-2025-38676 is a Linux kernel vulnerability in the AMD IOMMU subsystem (iommu/amd). The flaw occurs during parsing of a kernel command-line argument, where a maximum-length input string can cause a one-byte write past the end of the stack buffer named "acpiid". This is an off-by-one stack-based buffer overflow triggered from kernel command-line input. The issue was fixed by changing the AMD IOMMU code to avoid writing beyond the end of the buffer when the "str" argument reaches its maximum length.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.