CVE-2021-32844CWE-476

HyperKit is a toolkit for embedding hypervisor capabilities in an application

Medium · published February 17, 2023

CVSS v3.1
6.2
EPSS
0%
Percentile
13.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00234 · 13.5th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2023-02-17T00:00Z
EPSS history
Timeline
  • 17 FEB 00:00Z
    HyperKit is a toolkit for embedding hypervisor capabilities in an application
    cvelistv5