CVE-2024-22253: 
NixOS vulnerability analysis and mitigation

CVE-2024-22253 is a critical use-after-free vulnerability discovered in the UHCI USB controller affecting VMware ESXi, Workstation, and Fusion products. The vulnerability was disclosed on March 5, 2024, and was discovered during the 2023 Tianfu Cup Pwn Contest by VictorV and Wei of Team CyberAgent (VMware Advisory).

The vulnerability has been assigned a CVSS v3.1 base score of 9.3 (Critical) for Workstation/Fusion and 8.4 (Important) for ESXi. It is specifically identified as a use-after-free vulnerability in the UHCI USB controller component (CERT-EU, VMware Advisory).

The vulnerability allows a malicious actor with local administrative privileges on a virtual machine to execute code as the virtual machine's VMX process running on the host. On ESXi, the exploitation is contained within the VMX sandbox, while on Workstation and Fusion, this may lead to code execution on the machine where Workstation or Fusion is installed (Help Net Security, VMware Advisory).

VMware has released patches for affected products: ESXi 7.0 (ESXi70U3p-23307199), ESXi 8.0 (ESXi80U2sb-23305545 and ESXi80U1d-23299997), Workstation 17.x (version 17.5.1), and Fusion 13.x (version 13.5.1). Due to the critical severity, patches are also available for end-of-life products including ESXi 6.7 (6.7U3u) and 6.5 (6.5U3v) (VMware Advisory).