SUSE-SU-2023:4476-1

    Dashboard / Vulnerabilities / SUSE-SU-2023:4476-1

    SUSE-SU-2023:4476-1

    Published: 17 Nov 2023Last Modified: 4 Feb 2026

    Summary: Security update for xen

    Details: This update for xen fixes the following issues: - CVE-2023-20588: AMD CPU transitional execution leak via division by zero (XSA-439) (bsc#1215474). - CVE-2023-34322: top-level shadow reference dropped too early for 64-bit PV guests (XSA-438) (bsc#1215145). - CVE-2023-34325: Multiple vulnerabilities in libfsimage disk handling (XSA-443) (bsc#1215747). - CVE-2023-34326: x86/AMD: missing IOMMU TLB flushing (XSA-442) (bsc#1215746). - CVE-2023-34327,CVE-2023-34328: x86/AMD: Debug Mask handling (XSA-444) (bsc#1215748). - CVE-2023-46835: x86/AMD: mismatch in IOMMU quarantine page table levels (XSA-445) (bsc#1216654). - CVE-2023-46836: x86: BTC/SRSO fixes not fully effective (XSA-446) (bsc#1216807). - Upstream bug fixes (bsc#1027519)

    References: https://www.suse.com/support/update/announcement/2023/suse-su-20234476-1/, https://bugzilla.suse.com/1027519, https://bugzilla.suse.com/1215145, https://bugzilla.suse.com/1215474, https://bugzilla.suse.com/1215746, https://bugzilla.suse.com/1215747, https://bugzilla.suse.com/1215748, https://bugzilla.suse.com/1216654, https://bugzilla.suse.com/1216807, https://www.suse.com/security/cve/CVE-2023-20588, https://www.suse.com/security/cve/CVE-2023-34322, https://www.suse.com/security/cve/CVE-2023-34325, https://www.suse.com/security/cve/CVE-2023-34326, https://www.suse.com/security/cve/CVE-2023-34327, https://www.suse.com/security/cve/CVE-2023-34328, https://www.suse.com/security/cve/CVE-2023-46835, https://www.suse.com/security/cve/CVE-2023-46836

    Affected packages

    Package

    Name: xen

    Purl: pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Micro%205.3

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.16.5_08-150400.4.40.1

    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-2023:4476-1 | CVE-DB