SUSE-SU-2018:2409-1

    Dashboard / Vulnerabilities / SUSE-SU-2018:2409-1

    SUSE-SU-2018:2409-1

    Published: 17 Aug 2018Last Modified: 4 Feb 2026
    Upstream:
    CVE-2018-3646
    Aliases:
    CVE-2018-3646

    Summary: Security update for xen

    Details: This update for xen fixes the following security issues: - CVE-2018-3646: Systems with microprocessors utilizing speculative execution and address translations may have allowed unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis (bsc#1091107, bsc#1027519). - Incorrect MSR_DEBUGCTL handling let guests enable BTS allowing a malicious or buggy guest administrator can lock up the entire host (bsc#1103276)

    References: https://www.suse.com/support/update/announcement/2018/suse-su-20182409-1/, https://bugzilla.suse.com/1027519, https://bugzilla.suse.com/1091107, https://bugzilla.suse.com/1103276, https://www.suse.com/security/cve/CVE-2018-3646

    Affected packages

    Package

    Name: xen

    Purl: pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.10.1_08-3.6.1

    Affected versions

    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