SUSE-SU-2021:2922-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:2922-1

    SUSE-SU-2021:2922-1

    Published: 2 Sept 2021Last Modified: 4 Feb 2026

    Summary: Security update for xen

    Details: This update for xen fixes the following issues: Update to Xen 4.13.3 general bug fix release (bsc#1027519). Security issues fixed: - CVE-2021-28693: xen/arm: Boot modules are not scrubbed (bsc#1186428) - CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429) - CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433) - CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434) - 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-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378). - CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380). - CVE-2021-28700: No memory limit for dom0less domUs (XSA-383)(bsc#1189381). Other issues fixed: - Fixed 'Panic on CPU 0: IO-APIC + timer doesn't work!' (bsc#1180491) - Fixed an issue with xencommons, where file format expecations by fillup did not allign (bsc#1185682) - Fixed shell macro expansion in the spec file, so that ExecStart= in xendomains-wait-disks.service is created correctly (bsc#1183877) - Upstream bug fixes (bsc#1027519) - Fixed Xen SLES11SP4 guest hangs on cluster (bsc#1188050). - xl monitoring process exits during xl save -p|-c keep the monitoring process running to cleanup the domU during shutdown (bsc#1176189). - Dom0 hangs when pinning CPUs for dom0 with HVM guest (bsc#1179246). - Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20212922-1/, https://bugzilla.suse.com/1027519, https://bugzilla.suse.com/1137251, https://bugzilla.suse.com/1176189, https://bugzilla.suse.com/1179148, https://bugzilla.suse.com/1179246, https://bugzilla.suse.com/1180491, https://bugzilla.suse.com/1181989, https://bugzilla.suse.com/1183877, https://bugzilla.suse.com/1185682, https://bugzilla.suse.com/1186428, https://bugzilla.suse.com/1186429, https://bugzilla.suse.com/1186433, https://bugzilla.suse.com/1186434, https://bugzilla.suse.com/1188050, https://bugzilla.suse.com/1189373, https://bugzilla.suse.com/1189376, https://bugzilla.suse.com/1189378, https://bugzilla.suse.com/1189380, https://bugzilla.suse.com/1189381, 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-2021-28693, 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, https://www.suse.com/security/cve/CVE-2021-28700

    Affected packages

    Package

    Name: xen

    Purl: pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.13.3_02-3.34.1

    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-2021:2922-1 | CVE-DB