CVE-2024-41928— bhyve(8) privileged guest escape via TPM device passthrough
Quick assessment
Affected
FreeBSD FreeBSD
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD 存在安全漏洞，该漏洞源于来宾 VM 中运行的恶意软件可以利用缓冲区溢出来在主机上的 bhyve 用户空间进程（通常以 root 身份运行）中实现代码执行。
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I. Basic Information for CVE-2024-41928
Vulnerability Information
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Vulnerability Title
bhyve(8) privileged guest escape via TPM device passthrough
Source: CVE Program / CVE List V5
Vulnerability Description
Malicious software running in a guest VM can exploit the buffer overflow to achieve code execution on the host in the bhyve userspace process, which typically runs as root. Note that bhyve runs in a Capsicum sandbox, so malicious code is constrained by the capabilities available to the bhyve process.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
FreeBSD 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD 存在安全漏洞，该漏洞源于来宾 VM 中运行的恶意软件可以利用缓冲区溢出来在主机上的 bhyve 用户空间进程（通常以 root 身份运行）中实现代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-41928
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · FreeBSD · 2024-09-05 · 9 CVEs total
| CVE-2024-43102 | umtx Kernel panic or Use-After-Free | |
| CVE-2024-32668 | bhyve(8) privileged guest escape via USB controller | |
| CVE-2024-45063 | Multiple issues in ctl(4) CAM Target Layer | |
| CVE-2024-43110 | Multiple issues in ctl(4) CAM Target Layer | |
| CVE-2024-42416 | Multiple issues in ctl(4) CAM Target Layer | |
| CVE-2024-8178 | Multiple issues in ctl(4) CAM Target Layer | |
| CVE-2024-45288 | Multiple vulnerabilities in libnv | |
| CVE-2024-45287 | Multiple vulnerabilities in libnv |
IV. Related Vulnerabilities
Same product: FreeBSD
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CVE-2026-58088
Race condition in ELF core dump segment counting -
CVE-2026-58087
Heap out-of-bounds access in semctl(2) -
CVE-2026-58086
ktrace(2) privilege incorrectly validated in jails -
CVE-2026-58085
Missing MAC validation in wg(4) packet decryption -
CVE-2026-58084
Kernel stack disclosure via timer_settime(2)
Same vendor: FreeBSD
-
CVE-2026-58088
Race condition in ELF core dump segment counting -
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Heap out-of-bounds access in semctl(2) -
CVE-2026-58086
ktrace(2) privilege incorrectly validated in jails -
CVE-2026-58085
Missing MAC validation in wg(4) packet decryption -
CVE-2026-58084
Kernel stack disclosure via timer_settime(2)
Same weakness: CWE-125
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Vulnerabilities in IBM AIX and PowerVM VIOS -
CVE-2026-17423
Vulnerabilities in IBM AIX and PowerVM VIOS
V. Comments for CVE-2024-41928
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