[USN-5262-1] GPT fdisk vulnerabilities
ian.constantin at canonical.com
Thu Feb 3 20:53:37 UTC 2022
Ubuntu Security Notice USN-5262-1
February 03, 2022
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM
The sgdisk utility of GPT fdisk could be made to crash or
possibly allow for elevated privileges.
- gdisk: GPT fdisk text-mode partitioning tool
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 problem can be corrected by updating your system to the following
Ubuntu 16.04 ESM:
In general, a standard system update will make all the necessary changes.
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