UBUNTU-CVE-2022-50572

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    UBUNTU-CVE-2022-50572

    Published: 22 Oct 2025Last Modified: 30 Sept 2026
    Upstream:
    CVE-2022-50572

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: ASoC: audio-graph-card: fix refcount leak of cpu_ep in __graph_for_each_link() The of_get_next_child() returns a node with refcount incremented, and decrements the refcount of prev. So in the error path of the while loop, of_node_put() needs be called for cpu_ep.

    References: https://ubuntu.com/security/CVE-2022-50572, https://www.cve.org/CVERecord?id=CVE-2022-50572, https://git.kernel.org/linus/8ab2d12c726f0fde0692fa5d81d8019b3dcd62d0, https://git.kernel.org/stable/c/06c9d468c06806dab752eb8e72addbf3792c1023, https://git.kernel.org/stable/c/49dad92af6892f46851af989ef3aa7cd7316c389, https://git.kernel.org/stable/c/4cc8431ec77a43ea106d8bde0860c61cfdda1cd0, https://git.kernel.org/stable/c/85eb5c952b7fe2d2059beaa4a4dd26688b25547b, https://git.kernel.org/stable/c/8ab2d12c726f0fde0692fa5d81d8019b3dcd62d0, https://git.kernel.org/stable/c/ed1376f771404917c2ec3ebc617431ec01146134

    Affected packages

    Package

    Name: linux-hwe-edge

    Purl: pkg:deb/ubuntu/linux-hwe-edge?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.8.0-28.30~16.04.1
    4.8.0-30.32~16.04.1
    4.8.0-32.34~16.04.1
    4.8.0-34.36~16.04.1

    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-2022-50572 | CVE-DB