The vulnerability in the ioctl cmd PIO_FONT function of Linux kernel allows a hacker to execute arbitrary code with elevated privileges.

The vulnerability of the ioctl cmd PIOFONT function in Linux kernel is related to boundary errors during the installation of fonts with malicious data. Exploiting this vulnerability allows an attacker to initiate unlimited writing operations and execute arbitrary code with elevated privileges...

Ubuntu 20.04 LTS : Linux kernel (Azure CVM) vulnerabilities (USN-5605-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5605-1 advisory. Asaf Modelevsky discovered that the IntelR 10GbE PCI Express ixgbe Ethernet driver for the Linux kernel performed insufficient control flow management. A...

Ubuntu 18.04 LTS : Linux kernel vulnerability (USN-5591-3)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-5591-3 advisory. It was discovered that the virtual terminal driver in the Linux kernel did not properly handle VGA console font changes, leading to an out-of-bounds write. A loca...

CVE-2021-33656

When setting font with malicous data by ioctl cmd PIOFONT,kernel will write memory out of bounds...

CVE-2021-33656

When setting font with malicous data by ioctl cmd PIOFONT,kernel will write memory out of bounds...