SUSE-SU-2021:3849-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:3849-1

    SUSE-SU-2021:3849-1

    Published: 1 Dec 2021Last Modified: 4 Feb 2026

    Summary: Security update for xen

    Details: This update for xen fixes the following issues: - CVE-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling (XSA-384) (bsc#1189632). - CVE-2021-28704, CVE-2021-28707, CVE-2021-28708: Fixed PoD operations on misaligned GFNs (XSA-388) (bsc#1192557). - CVE-2021-28705, CVE-2021-28709: Fixed issues with partially successful P2M updates on x86 (XSA-389) (bsc#1192559). - CVE-2021-28706: Fixed guests may exceed their designated memory limit (XSA-385) (bsc#1192554). - Integrate bugfixes (bsc#1189373, bsc#1189378)

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20213849-1/, https://bugzilla.suse.com/1189373, https://bugzilla.suse.com/1189378, https://bugzilla.suse.com/1189632, https://bugzilla.suse.com/1192554, https://bugzilla.suse.com/1192557, https://bugzilla.suse.com/1192559, https://www.suse.com/security/cve/CVE-2021-28701, https://www.suse.com/security/cve/CVE-2021-28704, https://www.suse.com/security/cve/CVE-2021-28705, https://www.suse.com/security/cve/CVE-2021-28706, https://www.suse.com/security/cve/CVE-2021-28707, https://www.suse.com/security/cve/CVE-2021-28708, https://www.suse.com/security/cve/CVE-2021-28709

    Affected packages

    Package

    Name: xen

    Purl: pkg:rpm/suse/xen&distro=SUSE%20OpenStack%20Cloud%209

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.11.4_24-2.65.1

    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-2021:3849-1 | CVE-DB