SUSE-SU-2026:4942-1

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    SUSE-SU-2026:4942-1

    Published: 29 Oct 2026Last Modified: 31 Oct 2026

    Summary: Security update for xen

    Details: This update for xen fixes the following issues: - CVE-2026-79608: x86/AMD: ineffectual Zenbleed workaround (bsc#1283317). - CVE-2026-79609: x86: XPTI may break on huge-memory systems (bsc#1283321). - CVE-2026-79610: grant-table: double version change race (bsc#1283322). - CVE-2026-79611: VMX: VMentry failure with branch tracing and blocked states (bsc#1283323). - CVE-2026-102700: gnttab: cache-flush handling may cause page reference leak (bsc#1283325).

    References: https://www.suse.com/support/update/announcement/2026/suse-su-20264942-1/, https://bugzilla.suse.com/1283317, https://bugzilla.suse.com/1283321, https://bugzilla.suse.com/1283322, https://bugzilla.suse.com/1283323, https://bugzilla.suse.com/1283325, https://www.suse.com/security/cve/CVE-2026-102700, https://www.suse.com/security/cve/CVE-2026-79608, https://www.suse.com/security/cve/CVE-2026-79609, https://www.suse.com/security/cve/CVE-2026-79610, https://www.suse.com/security/cve/CVE-2026-79611

    Affected packages

    Package

    Name: xen

    Purl: pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.20.4_06-150700.3.49.2

    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-2026:4942-1 | CVE-DB