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CVE-2024-51563— bhyve(8) virtio_vq_recordon time-of-check to time-of-use race

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virtio_vq_recordon函数容易受到检查时间到使用时间(TOCTOU)竞争条件影响，攻击者可以对主机执行拒绝服务(DoS)攻击，并读取进程内不应该访问的内存。

AI Predicted 7.8 Difficulty: Hard EPSS 0.32% · P25
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I. Basic Information for CVE-2024-51563

Vulnerability Information
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Vulnerability Title
bhyve(8) virtio_vq_recordon time-of-check to time-of-use race
Source: CVE Program / CVE List V5
Vulnerability Description
The virtio_vq_recordon function is subject to a time-of-check to time-of-use (TOCTOU) race condition.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
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virtio_vq_recordon函数容易受到检查时间到使用时间(TOCTOU)竞争条件影响，攻击者可以对主机执行拒绝服务(DoS)攻击，并读取进程内不应该访问的内存。
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

Vendor Product Affected Versions CPE Subscribe
FreeBSD FreeBSD 14.1-RELEASE ~ p6 -

II. Public POCs for CVE-2024-51563

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III. Intelligence Information for CVE-2024-51563

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Vendor Advisories for CVE-2024-51563 (1)

Same Patch Batch · FreeBSD · 2024-11-12 · 7 CVEs total

CVE-2024-51565 bhyve(8) hda driver buffer over-read
CVE-2024-51564 bhyve(8) infinite loop in the hda audio driver
CVE-2024-51562 bhyve(8) nvme_opc_get_log_page buffer over-read
CVE-2024-51566 bhyve(8) NVMe driver to guest-induced infinite loops.
CVE-2024-45289 Unbounded allocation in ctl(4) CAM Target Layer
CVE-2024-39281 Unbounded allocation in ctl(4) CAM Target Layer

IV. Related Vulnerabilities

Same product: FreeBSD
Same vendor: FreeBSD
Same weakness: CWE-367

V. Comments for CVE-2024-51563

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