SUSE-SU-2021:2943-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:2943-1

    SUSE-SU-2021:2943-1

    Published: 3 Sept 2021Last Modified: 4 Feb 2026

    Summary: Security update for xen

    Details: This update for xen fixes the following issues: - CVE-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378). - CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429). - CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433). - CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380). - CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues on x86 (XSA-378)(bsc#1189373). - CVE-2021-28697: grant table v2 status pages may remain accessible after de-allocation (XSA-379)(bsc#1189376). - CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434). - Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20212943-1/, https://bugzilla.suse.com/1186429, https://bugzilla.suse.com/1186433, https://bugzilla.suse.com/1186434, https://bugzilla.suse.com/1189373, https://bugzilla.suse.com/1189376, https://bugzilla.suse.com/1189378, https://bugzilla.suse.com/1189380, https://bugzilla.suse.com/1189882, https://www.suse.com/security/cve/CVE-2021-0089, https://www.suse.com/security/cve/CVE-2021-28690, https://www.suse.com/security/cve/CVE-2021-28692, https://www.suse.com/security/cve/CVE-2021-28694, https://www.suse.com/security/cve/CVE-2021-28695, https://www.suse.com/security/cve/CVE-2021-28696, https://www.suse.com/security/cve/CVE-2021-28697, https://www.suse.com/security/cve/CVE-2021-28698, https://www.suse.com/security/cve/CVE-2021-28699

    Affected packages

    Package

    Name: xen

    Purl: pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOS

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.10.4_26-3.61.1

    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-2021:2943-1 | CVE-DB