Denial of Service Vulnerability in HyperKit by Moby
CVE-2021-32843

6.2MEDIUM

Key Information:

Vendor
Moby
Status
Vendor
CVE Published:
17 February 2023

Summary

HyperKit, a toolkit utilized for embedding hypervisor capabilities into applications, includes a vulnerability in the virtio.c file. In versions 0.20210107 and earlier, a null check oversight in the vc_cfgread function can lead to host crashes when invoked. This flaw may enable a guest to inadvertently create conditions that result in a denial of service, impairing the host's functionality. A fix has been implemented in commit df0e46c7dbfd81a957d85e449ba41b52f6f7beb4, addressing this critical issue.

Affected Version(s)

hyperkit 0.20210107

References

CVSS V3.1

Score:
6.2
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2021-32843 : Denial of Service Vulnerability in HyperKit by Moby | SecurityVulnerability.io