CVE-2021-32846 Moby HyperKit uninitialized memory use in virtio-sock pci_vtsock_proc_tx

HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107, function pcivtsockproctx in virtio-sock can lead to to uninitialized memory use. In this situation, there is a check for the return value to be less or equal to VTSOCKMAXSEGS, but that check is...

CVE-2021-32845

HyperKit versions 0.20210107 and earlier are affected by a vulnerability in pci_vtrnd_notify where the return value of vq_getchain is not checked. This can result in an uninitialized struct iovec (iov) being used to read memory, potentially causing a guest to crash the host and enable memory corr...

HyperKit 安全漏洞

HyperKit is a Moby open source toolkit for embedding virtual machine monitor functionality in applications. HyperKit 0.20210107 and earlier versions have a security vulnerability that stems from qnotify in pcivtrndnotify being unable to check the return value of vqgetchain, which results in the...

HyperKit 代码问题漏洞

HyperKit is a Moby open source toolkit for embedding virtual machine monitor functionality in applications. A security vulnerability exists in HyperKit 0.20210107 and earlier versions, which stems from the fact that virtio.c has a call to vccfgread that does not check for null, and the call cause...

CVE-2021-32844

HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior of HyperKit, vipciwrite has is a call to vccfgwrite 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 denia...

CVE-2021-32844

CVE-2021-32844 affects HyperKit up to version 0.20210107. The vulnerability originates from a null-pointer check omission in the vi_pci_write path calling vc_cfgwrite, which can cause the host to crash and potentially lead to a denial of service. The issue is fixed in commit 451558fe8aaa8b24e02e3...

PT-2023-12179 · Hyperkit · Hyperkit

Name of the Vulnerable Software and Affected Versions: HyperKit versions 0.20210107 and prior Description: HyperKit is a toolkit for embedding hypervisor capabilities in an application. The implementation of qnotify at pci vtrnd notify fails to check the return value of vq getchain, leading to...