6.2Medium

CVE-2021-32844

moby hyperkit Published: 2023-02-17 03:00 (3 years ago)

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.

Weakness (CWE): CWE-476

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
moby	hyperkit	0.20210107 – ≤ 0.20210107

References and patches

CVSS score

6.2Medium

Source: GitHub_M · CVSS 3.1

Attack vector: Local
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

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

EPSS (chance of exploitation in 30 days)

0.23%

higher than 14% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: partial

Timeline

ID reserved2021-05-12
Published2023-02-17 03:00
Reached IP-DB2026-10-25 00:04
Last updated2025-03-11 00:10

Assigned by (CNA): GitHub_M

View at source: CVE.org · NVD

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