USN-5262-1: GPT fdisk vulnerabilities

Publication date

3 February 2022

Overview

The sgdisk utility of GPT fdisk could be made to crash or possibly allow for elevated privileges.

Releases


Packages

  • gdisk - GPT fdisk text-mode partitioning tool

Details

The potential for an out of bounds write due to a missing bounds
check was discovered to impact the sgdisk utility of GPT fdisk.
Exploitation requires the use of a maliciously formatted storage
device and could cause sgdisk to crash as well as possibly
allow for local privilege escalation.

The potential for an out of bounds write due to a missing bounds
check was discovered to impact the sgdisk utility of GPT fdisk.
Exploitation requires the use of a maliciously formatted storage
device and could cause sgdisk to crash as well as possibly
allow for local privilege escalation.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
16.04 xenial gdisk –  1.0.1-1ubuntu0.1~esm2  

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