Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-6681-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6681-1 advisory. Wenqing Liu discovered that the f2fs file system implementation in the Linux kernel did not properly validate inode types while performing...

CVE-2018-1118: Improper Initialization

Linux kernel vhost since version 4.8 does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhostnewmsg function. This can allow local privileged users to read some kernel memory contents when reading from the /dev/vhost-ne...

CVE-2013-0311: Undefined Security Weakness

The translatedesc function in drivers/vhost/vhost.c in the Linux kernel before 3.7 does not properly handle cross-region descriptors, which allows guest OS users to obtain host OS privileges by leveraging KVM guest OS privileges...