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

The Linux kernel 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-net device file...

Information Disclosure

Linux kernel is vulnerable to information disclosure vulnerability. This is because Linux kernel does not properly initialize memory in messages passed between virtual guests and the host operating system in the vhost/vhost.c:vhostnewmsg function. A privileged user could read some memory contents...