CVE-2021-32844

MEDIUM

HyperKit <0.20210107 - DoS

Title source: llm
STIX 2.1

Description

HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior of HyperKit, ` vi_pci_write` has is a call to `vc_cfgwrite` 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 451558fe8aaa8b24e02e34106e3bb9fe41d7ad13.

Scores

CVSS v3 6.2
EPSS 0.0006
EPSS Percentile 18.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (1)
mobyproject/hyperkit < 0.20210107
Published Feb 17, 2023
Tracked Since Feb 18, 2026