SUSE-SU-2020:3742-1

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    SUSE-SU-2020:3742-1

    Published: 10 Dec 2020Last Modified: 4 Feb 2026

    Summary: Security update for xen

    Details: This update for xen fixes the following issues: - bsc#1178963 - stack corruption from XSA-346 change (XSA-355) - bsc#1177409 - CVE-2020-27674: x86 PV guest INVLPG-like flushes may leave stale TLB entries (XSA-286) - bsc#1177412 - CVE-2020-27672: Race condition in Xen mapping code (XSA-345) - bsc#1177413 - CVE-2020-27671: undue deferral of IOMMU TLB flushes (XSA-346) - bsc#1177414 - CVE-2020-27670: unsafe AMD IOMMU page table updates (XSA-347) - bsc#1178591 - CVE-2020-28368: Intel RAPL sidechannel attack aka PLATYPUS attack aka XSA-351

    References: https://www.suse.com/support/update/announcement/2020/suse-su-20203742-1/, https://bugzilla.suse.com/1177409, https://bugzilla.suse.com/1177412, https://bugzilla.suse.com/1177413, https://bugzilla.suse.com/1177414, https://bugzilla.suse.com/1178591, https://bugzilla.suse.com/1178963, https://www.suse.com/security/cve/CVE-2020-27670, https://www.suse.com/security/cve/CVE-2020-27671, https://www.suse.com/security/cve/CVE-2020-27672, https://www.suse.com/security/cve/CVE-2020-27674, https://www.suse.com/security/cve/CVE-2020-28368

    Affected packages

    Package

    Name: xen

    Purl: pkg:rpm/suse/xen&distro=SUSE%20OpenStack%20Cloud%207

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.7.6_12-43.70.1

    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
    SUSE-SU-2020:3742-1 | CVE-DB