LSN-0078-1

    Dashboard / Vulnerabilities / LSN-0078-1

    LSN-0078-1

    Published: 19 Jul 2021Last Modified: 3 Jun 2026

    Summary: Kernel Live Patch Security Notice

    Details: Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A local attacker could use this issue to execute arbitrary code.(CVE-2021-3609)

    References: https://ubuntu.com/security/notices/LSN-0078-1, https://ubuntu.com/security/CVE-2021-3609

    Affected packages

    Package

    Name: linux-hwe

    Purl: pkg:deb/ubuntu/linux-hwe?arch=source&distro=esm-infra%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.15.0-147.151~16.04.1

    Affected versions

    4.8.0-36.36~16.04.1
    4.8.0-39.42~16.04.1
    4.8.0-41.44~16.04.1
    4.8.0-42.45~16.04.1
    4.8.0-44.47~16.04.1
    4.8.0-45.48~16.04.1
    4.8.0-46.49~16.04.1
    4.8.0-49.52~16.04.1
    4.8.0-51.54~16.04.1
    4.8.0-52.55~16.04.1
    4.8.0-53.56~16.04.1
    4.8.0-54.57~16.04.1
    4.8.0-56.61~16.04.1
    4.8.0-58.63~16.04.1

    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
    LSN-0078-1 | CVE-DB