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CVE-2025-27940 is an out-of-bounds read vulnerability affecting some Intel Trust Domain Extensions (TDX) Module versions prior to tdx1.5. The flaw exists in a highly privileged TDX component and may be triggered by a Ring 0 hypervisor under software side-channel attack conditions. Successful exploitation can cause unintended reading of memory outside the intended bounds, leading to disclosure of sensitive information from the vulnerable environment. The issue is described as requiring a privileged local adversary, high attack complexity, and specific attack requirements, with no user interaction required.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A third-party component vulnerability addressed by ASUS BIOS version 3003 / Secure Boot DBX Update 06102025 for affected ASUS GPU servers.
One of five reported vulnerabilities affecting Intel Trust Domain Extensions (TDX) 1.5; specific impact details are not provided in the content.
A locally exploitable vulnerability in Intel processors (Intel TDX module per INTEL-SA-01397) impacting certain HPE StoreEasy servers, with potential for privilege escalation and/or information disclosure/DoS.
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.