UBUNTU-CVE-2015-2666

    Dashboard / Vulnerabilities / UBUNTU-CVE-2015-2666

    UBUNTU-CVE-2015-2666

    Published: 25 Mar 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-2666
    Aliases:
    USN-2587-1
    USN-2588-1
    USN-2589-1

    Summary:

    Details: Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd.

    References: https://ubuntu.com/security/CVE-2015-2666, http://www.openwall.com/lists/oss-security/2015/03/18/7, https://ubuntu.com/security/notices/USN-2587-1, https://ubuntu.com/security/notices/USN-2588-1, https://ubuntu.com/security/notices/USN-2589-1, https://ubuntu.com/security/notices/USN-2590-1, https://www.cve.org/CVERecord?id=CVE-2015-2666

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-51.84

    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