Improper enforcement of the LFENCE serialization property may allow an attacker to bypass speculation barriers and potentially disclose sensitive information, potentially resulting in loss of confidentiality.
CVSS Details
- CVSS 4.0 Base Score: 5.7 (MEDIUM)
- CVSS 4.0 Vector: (CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Dell Poweredge Dsa2026076 | — | Upgrade Dell PowerEdge to the latest version | May 14, 2026 | May 12, 2026 |
| Ubuntu | — | Upgrade amd64-microcode | Sep 21, 2026 | Sep 17, 2026 |
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