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CVE-2024-45063— Multiple issues in ctl(4) CAM Target Layer

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 存在资源管理错误漏洞，该漏洞源于 ctl_write_buffer 函数错误地设置了一个标志，导致命令完成处理时出现内核释放后重用。

AI Predicted 8.1 Difficulty: Easy EPSS 0.52% · P42
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I. Basic Information for CVE-2024-45063

Vulnerability Information
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Vulnerability Title
Multiple issues in ctl(4) CAM Target Layer
Source: CVE Program / CVE List V5
Vulnerability Description
The function ctl_write_buffer incorrectly set a flag which resulted in a kernel Use-After-Free when a command finished processing. Malicious software running in a guest VM that exposes virtio_scsi can exploit the vulnerabilities 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. A malicious iSCSI initiator could achieve remote code execution on the iSCSI target host.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
FreeBSD 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD 存在资源管理错误漏洞，该漏洞源于 ctl_write_buffer 函数错误地设置了一个标志，导致命令完成处理时出现内核释放后重用。
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 ~ p4 -

II. Public POCs for CVE-2024-45063

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III. Intelligence Information for CVE-2024-45063

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Vendor Advisories for CVE-2024-45063 (1)

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-2024-43110 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-2024-41928 bhyve(8) privileged guest escape via TPM device passthrough
CVE-2024-45288 Multiple vulnerabilities in libnv
CVE-2024-45287 Multiple vulnerabilities in libnv

IV. Related Vulnerabilities

Same product: FreeBSD
Same vendor: FreeBSD
Same weakness: CWE-416

V. Comments for CVE-2024-45063

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