Memory leak in VMware ESXi - CVE-2025-41239
Published: July 17, 2025
Vulnerability identifier: #VU113009
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-41239
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: VMware, Inc
Affected software:
VMware ESXi
VMware ESXi
Detailed vulnerability description
The vulnerability allows an attacker to gain access to sensitive information.
The vulnerability exists due memory leak in vSockets. A malicious guest with local administrative privileges on a virtual machine can leak memory from processes communicating with vSockets.
How to mitigate CVE-2025-41239
Install updates from vendor's website.