USN-4879-1

    Dashboard / Vulnerabilities / USN-4879-1

    USN-4879-1

    Published: 16 Mar 2021Last Modified: 3 Jun 2026

    Summary: linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.8, linux-kvm, linux-oracle, linux-raspi vulnerabilities

    Details: It was discovered that the Marvell WiFi-Ex device driver in the Linux kernel did not properly validate ad-hoc SSIDs. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2020-36158) Loris Reiff discovered that the BPF implementation in the Linux kernel did not properly validate attributes in the getsockopt BPF hook. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2021-20194)

    References: https://ubuntu.com/security/notices/USN-4879-1, https://ubuntu.com/security/CVE-2020-36158, https://ubuntu.com/security/CVE-2021-20194

    Affected packages

    Package

    Name: linux-hwe-5.8

    Purl: pkg:deb/ubuntu/linux-hwe-5.8?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.8.0-45.51~20.04.1

    Affected versions

    5.8.0-23.24~20.04.1
    5.8.0-25.26~20.04.1
    5.8.0-28.30~20.04.1
    5.8.0-29.31~20.04.1
    5.8.0-31.33~20.04.1
    5.8.0-33.36~20.04.1
    5.8.0-34.37~20.04.2
    5.8.0-36.40~20.04.1
    5.8.0-38.43~20.04.1
    5.8.0-40.45~20.04.1
    5.8.0-41.46~20.04.1
    5.8.0-43.49~20.04.1
    5.8.0-44.50~20.04.1

    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
    USN-4879-1 | CVE-DB