CVE-2021-44730

    Dashboard / Vulnerabilities / CVE-2021-44730

    CVE-2021-44730

    Published: 17 Feb 2022Last Modified: 24 Oct 2026

    Summary:

    Details: snapd 2.54.2 did not properly validate the location of the snap-confine binary. A local attacker who can hardlink this binary to another location to cause snap-confine to execute other arbitrary binaries and hence gain privilege escalation. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/, http://www.openwall.com/lists/oss-security/2022/02/18/2, http://www.openwall.com/lists/oss-security/2022/02/23/1, https://www.debian.org/security/2022/dsa-5080, https://ubuntu.com/security/notices/USN-5292-1

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.54.2
    2.54.1
    2.54

    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
    CVE-2021-44730 | CVE-DB