UBUNTU-CVE-2020-12912

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    UBUNTU-CVE-2020-12912

    Published: 12 Nov 2020Last Modified: 13 Oct 2026
    Upstream:
    CVE-2020-12912
    Aliases:
    USN-4678-1

    Summary:

    Details: A potential vulnerability in the AMD extension to Linux "hwmon" service may allow an attacker to use the Linux-based Running Average Power Limit (RAPL) interface to show various side channel attacks. In line with industry partners, AMD has updated the RAPL interface to require privileged access.

    References: https://ubuntu.com/security/CVE-2020-12912, https://lore.kernel.org/stable/[email protected]/T/#ma48754bff34127867149bf466fc2f9c2deea3960, https://bugzilla.redhat.com/show_bug.cgi?id=1897402, https://support.lenovo.com/lu/uk/product_security/LEN-50481, https://www.amd.com/en/corporate/product-security, https://ubuntu.com/security/notices/USN-4678-1, https://www.cve.org/CVERecord?id=CVE-2020-12912

    Affected packages

    Package

    Name: linux

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.11.0-12.19

    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
    UBUNTU-CVE-2020-12912 | CVE-DB