USN-5770-1

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    USN-5770-1

    Published: 8 Dec 2022Last Modified: 25 Jun 2026

    Summary: gcc-5, gccgo-6 vulnerability

    Details: Todd Eisenberger discovered that certain versions of GNU Compiler Collection (GCC) could be made to clobber the status flag of RDRAND and RDSEED with specially crafted input. This could potentially lead to less randomness in random number generation.

    References: https://ubuntu.com/security/notices/USN-5770-1, https://ubuntu.com/security/CVE-2017-11671

    Affected packages

    Package

    Name: gcc-5

    Purl: pkg:deb/ubuntu/gcc-5?arch=source&distro=esm-infra%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.4.0-6ubuntu1~16.04.12+esm2

    Affected versions

    5.2.1-22ubuntu2
    5.2.1-22ubuntu5
    5.2.1-23ubuntu1
    5.2.1-26ubuntu1
    5.2.1-27ubuntu1

    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-5770-1 | CVE-DB