Heap-based buffer overflow in VMware ESXi - CVE-2025-22224
Published: March 4, 2025
Vulnerability identifier: #VU105278
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:A/U:Amber
CVE-ID: CVE-2025-22224
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: VMware, Inc
Affected software:
VMware ESXi
VMware ESXi
Detailed vulnerability description
The vulnerability allows a malicious guest to execute arbitrary code on the hypervisor.
The vulnerability exists due to a boundary error in VMCI. A malicious guest with administrative privileges can trigger a heap-based buffer overflow and execute arbitrary code on the hypervisor in the context of VMX process.
Note, the vulnerability is being actively exploited in the wild.
How to mitigate CVE-2025-22224
Install updates from vendor's website.