USN-5262-1

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    USN-5262-1

    Published: 3 Feb 2022Last Modified: 25 Jun 2026

    Summary: gdisk vulnerabilities

    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.

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

    Affected packages

    Package

    Name: gdisk

    Purl: pkg:deb/ubuntu/gdisk?arch=source&distro=esm-infra%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.0.1-1ubuntu0.1~esm2

    Affected versions

    1.0.0-3
    1.0.1-1
    1.0.1-1build1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    USN-5262-1 | CVE-DB