CVE-2021-32844mediumCWE-476

CVE-2021-32844: medium-severity vulnerability in moby hyperkit

Published · Updated

Follow this CVE+ Monitor hyperkit

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.2epss 0.2%
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
moby · hyperkit
Related CVEs — moby hyperkit

In the same product, most dangerous first.

CVE-2021-32847HIGHMoby HyperKit uninitialized memory use in virtio-sock pci_vtsock_proc_txEPSS 0.4%CVE-2021-32846HIGHMoby HyperKit uninitialized memory use in virtio-sock pci_vtsock_proc_txEPSS 0.3%CVE-2021-32845HIGHMoby HyperKit uninitialized memory use vtrnd pci_vtrnd_notifyEPSS 0.3%CVE-2021-32843MEDIUMCVE-2021-32843EPSS 0.2%