UBUNTU-CVE-2021-47021

    Dashboard / Vulnerabilities / UBUNTU-CVE-2021-47021

    UBUNTU-CVE-2021-47021

    Published: 28 Feb 2024Last Modified: 24 Oct 2025
    Upstream:
    CVE-2021-47021

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: fix memleak when mt7915_unregister_device() mt7915_tx_token_put() should get call before mt76_free_pending_txwi().

    References: https://ubuntu.com/security/CVE-2021-47021, https://git.kernel.org/linus/e9d32af478cfc3744a45245c0b126738af4b3ac4, https://git.kernel.org/stable/c/81483309ce861a9fa7835322787f68a443fea364, https://git.kernel.org/stable/c/d754c80ae82a662e692a82faad71b8c218cb7f52, https://git.kernel.org/stable/c/e9d32af478cfc3744a45245c0b126738af4b3ac4, https://www.cve.org/CVERecord?id=CVE-2021-47021

    Affected packages

    Package

    Name: linux-hwe-edge

    Purl: pkg:deb/ubuntu/[email protected]~16.04.1?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-2021-47021 | CVE-DB