title: Moby HyperKit uninitialized memory use in virtio-sock pci_vtsock_proc_tx
description: HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior, a malicious guest can trigger a vulnerability in the host by abusing the disk driver that may lead to the disclosure of the host memory into the virtualized guest. This issue is fixed in commit cf60095a4d8c3cb2e182a14415467afd356e982f.
problem types: CWE-125 Out-of-bounds Read
affected:
{
vendor: moby
product: hyperkit
versions:
version: 0.20210107, status: affected, lessThanOrEqual: 0.20210107, versionType: custom
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
baseScore: 7.1
baseSeverity: HIGH
]