CVEvulnerability

CVE-2021-32844

5.5 MEDIUM Published 2023-02-17 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-02-17
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.2 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-476

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.

Affected configurations

• mobyproject hyperkit (<= 0.20210107)

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References