CVE-2021-47070

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    CVE-2021-47070

    Published: 1 Mar 2024Last Modified: 15 Mar 2026

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix another memory leak in error handling paths Memory allocated by 'vmbus_alloc_ring()' at the beginning of the probe function is never freed in the error handling path. Add the missing 'vmbus_free_ring()' call. Note that it is already freed in the .remove function.

    References: https://git.kernel.org/stable/c/261bbd90cc53d2835343f056770156cf1e82cf03, https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html, https://git.kernel.org/stable/c/0b0226be3a52dadd965644bc52a807961c2c26df, https://git.kernel.org/stable/c/5f59240cf25b2f7a0fdffc2701482a70310fec07

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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-2021-47070 | CVE-DB