CVE-2021-32847 - CVE House
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Status published High CVE-2021-32847

Moby HyperKit uninitialized memory use in virtio-sock pci_vtsock_proc_tx

Vulnerability Description

HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior, a malicious guest can trigger a vulnerability in the host by abusing the disk driver that may lead to the disclosure of the host memory into the virtualized guest. This issue is fixed in commit cf60095a4d8c3cb2e182a14415467afd356e982f.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

hyperkit
Vulnerable Versions:
0.20210107

Timeline

Official Publish: February 20th, 2023
Last Modified: March 10th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Weaknesses (CWE)