DEBIAN-CVE-2021-47064

    Dashboard / Vulnerabilities / DEBIAN-CVE-2021-47064

    DEBIAN-CVE-2021-47064

    Published: 29 Feb 2024Last Modified: 1 Sept 2026
    Upstream:
    CVE-2021-47064

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: mt76: fix potential DMA mapping leak With buf uninitialized in mt76_dma_tx_queue_skb_raw, its field skip_unmap could potentially inherit a non-zero value from stack garbage. If this happens, it will cause DMA mappings for MCU command frames to not be unmapped after completion

    References: https://security-tracker.debian.org/tracker/CVE-2021-47064

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/debian/linux?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.10.38-1

    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
    DEBIAN-CVE-2021-47064 | CVE-DB