LSN-0094-1

    Dashboard / Vulnerabilities / LSN-0094-1

    LSN-0094-1

    Published: 18 Apr 2023Last Modified: 3 Jun 2026

    Summary: Kernel Live Patch Security Notice

    Details: Lin Ma discovered a race condition in the io_uring subsystem in the Linux kernel, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash).(CVE-2023-0468) It was discovered that the Traffic-Control Index (TCINDEX) implementation in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.(CVE-2023-1281)

    References: https://ubuntu.com/security/notices/LSN-0094-1, https://ubuntu.com/security/CVE-2023-0468, https://ubuntu.com/security/CVE-2023-1281

    Affected packages

    Package

    Name: linux-azure

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.15.0-1163.178~16.04.1

    Affected versions

    4.11.0-1009.9
    4.11.0-1011.11
    4.11.0-1013.13
    4.11.0-1014.14
    4.11.0-1015.15
    4.11.0-1016.16

    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-0094-1 | CVE-DB