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CVE-2021-32843

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CVE-2021-32843

Published: Feb 17, 2023

Modified: Mar 10, 2025

PUBLISHED

CVSS v3.1

6.2

MEDIUM

Description

HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior of HyperKit, `virtio.c` has is a call to `vc_cfgread` that does not check for null which when called makes the host crash. This issue may lead to a guest crashing the host causing a denial of service. This issue is fixed in commit df0e46c7dbfd81a957d85e449ba41b52f6f7beb4.

VendorProductVersions

moby

hyperkit

affected
0.20210107 - <= 0.20210107

Weaknesses (CWE)

CWE-476

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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