Ionic Driver Vulnerabilities
Summary
Three potential vulnerabilities in the Ionic cloud driver for ESXi were reported through the AMD Bug Bounty Program.
Refer to the CVE Details section for information about each CVE.
CVE Details
Refer to Glossary for explanation of terms
| CVE | CVE Description | CVSS Score |
| CVE-2025-62623 | A heap-based buffer overflow in the ionic cloud driver for VMware ESXi could allow an attacker to achieve privilege escalation potentially resulting in arbitrary code execution. | 8.8 High CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
| CVE-2025-62624 | A heap-based buffer overflow in the ionic cloud driver for VMware ESXi could allow an attacker to achieve privilege escalation potentially resulting in arbitrary code execution. | 8.8 High CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
| CVE-2025-62627 | An untrusted pointer dereference in the ionic cloud driver for VMWare ESXi could allow an attacker with an unprivileged VM to read kernel memory or co-located guest VM memory potentially resulting in loss of confidentiality or availability. | 7.2 High CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:L/VA:H/SC:H/SI:L/SA:H |
Affected Products
ESXi 8.x hosts using AMD-Pensando DPU products
Mitigation
AMD recommends updating to ESXi 8.0U3i, which is included in VCF 5.2.3.0 or 9.0.2 release. The CVEs are fixed in both releases.
Acknowledgement
AMD thanks researcher Ori Nimron (@orinimron123) for participating in the AMD Bug Bounty Program
Revisions
| Revision Date | Description |
| 2026-05-12 | Initial publication |
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