USN-4253-2

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    USN-4253-2

    Published: 28 Jan 2020Last Modified: 3 Jun 2026

    Summary: linux-hwe vulnerability

    Details: USN-4253-1 fixed vulnerabilities in the Linux kernel for Ubuntu 19.10. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 19.10 for Ubuntu 18.04 LTS. It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information.

    References: https://ubuntu.com/security/notices/USN-4253-2, https://ubuntu.com/security/CVE-2019-14615

    Affected packages

    Package

    Name: linux-hwe

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.3.0-28.30~18.04.1

    Affected versions

    4.18.0-13.14~18.04.1
    4.18.0-14.15~18.04.1
    4.18.0-15.16~18.04.1
    4.18.0-16.17~18.04.1
    4.18.0-17.18~18.04.1
    4.18.0-18.19~18.04.1
    4.18.0-20.21~18.04.1
    4.18.0-21.22~18.04.1
    4.18.0-22.23~18.04.1
    4.18.0-24.25~18.04.1
    4.18.0-25.26~18.04.1

    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-4253-2 | CVE-DB