Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-6681-2)

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-6681-2 advisory. Wenqing Liu discovered that the f2fs file system implementation in the Linux kernel did not properly validate inode types while performing...

Linux kernel vhost driver Heap Buffer Overflow DoS

The vulnerability of the vhostnewmsg function in the drivers/vhost/vhost.c file of the Linux kernel’s vhost driver is related to improper initialization of memory for messages transmitted between host systems. Exploiting this vulnerability could allow an attacker to gain access to protected...