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CVE-2026-24054— Kata Containers Runtime: Host block device can be hotplugged to the VM if the container image is malformed or contains no layers

Quick assessment

Affected
kata-containers kata-containers
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.

Kata Containers是Kata Containers社区的一款开源的轻量级虚拟机构建程序。 Kata Containers 3.26.0之前版本存在代码问题漏洞，该漏洞源于处理畸形容器镜像时回退绑定空目录，可能导致主机文件系统错误和块设备被挂载为只读。

AI Predicted 6.5 Difficulty: Hard EPSS 0.50% · P42

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection
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I. Basic Information for CVE-2026-24054

Vulnerability Information
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Vulnerability Title
Kata Containers Runtime: Host block device can be hotplugged to the VM if the container image is malformed or contains no layers
Source: CVE Program / CVE List V5
Vulnerability Description
Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs) that perform like containers. In versions prior to 3.26.0, when a container image is malformed or contains no layers, containerd falls back to bind-mounting an empty snapshotter directory for the container rootfs. When the Kata runtime attempts to mount the container rootfs, the bind mount causes the rootfs to be detected as a block device, leading to the underlying device being hotplugged to the guest. This can cause filesystem-level errors on the host due to double inode allocation, and may lead to the host's block device being mounted as read-only. Version 3.26.0 contains a patch for the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
Source: CVE Program / CVE List V5
Vulnerability Title
Kata Containers 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kata Containers是Kata Containers社区的一款开源的轻量级虚拟机构建程序。 Kata Containers 3.26.0之前版本存在代码问题漏洞，该漏洞源于处理畸形容器镜像时回退绑定空目录，可能导致主机文件系统错误和块设备被挂载为只读。
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
kata-containers kata-containers < 3.26.0 -

II. Public POCs for CVE-2026-24054

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III. Intelligence Information for CVE-2026-24054

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Patches & Fixes for CVE-2026-24054 (2)

IV. Related Vulnerabilities

Same product: kata-containers
Same vendor: kata-containers
Same weakness: CWE-754

V. Comments for CVE-2026-24054

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