CVE-2021-38206

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    CVE-2021-38206

    Published: 8 Aug 2021Last Modified: 14 Mar 2026

    Summary:

    Details: The mac80211 subsystem in the Linux kernel before 5.12.13, when a device supporting only 5 GHz is used, allows attackers to cause a denial of service (NULL pointer dereference in the radiotap parser) by injecting a frame with 802.11a rates.

    References: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.13, https://github.com/torvalds/linux/commit/bddc0c411a45d3718ac535a070f349be8eca8d48

    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-2021-38206 | CVE-DB