=========================================================================Ubuntu Security Notice USN-5262-1
February 03, 2022

gdisk vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM

Summary:

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

Software Description:
- 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.

Update instructions:

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

Ubuntu 16.04 ESM:
   gdisk                           1.0.1-1ubuntu0.1~esm2

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

References:
   https://ubuntu.com/security/notices/USN-5262-1
   CVE-2020-0256, CVE-2021-0308

Ubuntu 5262-1: GPT fdisk vulnerabilities

February 3, 2022
The sgdisk utility of GPT fdisk could be made to crash or possibly allow for elevated privileges.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM: gdisk 1.0.1-1ubuntu0.1~esm2 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5262-1

CVE-2020-0256, CVE-2021-0308

Severity
February 03, 2022

Package Information

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