UBUNTU-CVE-2021-44879

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    UBUNTU-CVE-2021-44879

    Published: 14 Feb 2022Last Modified: 9 Sept 2026
    Upstream:
    CVE-2021-44879
    Aliases:
    USN-5302-1
    USN-5383-1
    USN-6681-1

    Summary:

    Details: In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.

    References: https://ubuntu.com/security/CVE-2021-44879, https://www.openwall.com/lists/oss-security/2022/02/12/1, https://ubuntu.com/security/notices/USN-5302-1, https://ubuntu.com/security/notices/USN-5383-1, https://ubuntu.com/security/notices/USN-6681-1, https://ubuntu.com/security/notices/USN-6681-2, https://ubuntu.com/security/notices/USN-6681-3, https://ubuntu.com/security/notices/USN-6681-4, https://ubuntu.com/security/notices/USN-6716-1, https://www.cve.org/CVERecord?id=CVE-2021-44879

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.11.0-12.19

    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
    UBUNTU-CVE-2021-44879 | CVE-DB