SUSE-SU-2021:2957-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:2957-1

    SUSE-SU-2021:2957-1

    Published: 6 Sept 2021Last Modified: 4 Feb 2026

    Summary: Security update for xen

    Details: This update for xen fixes the following issues: - CVE-2021-3594: slirp: invalid pointer initialization may lead to information disclosure (udp)(bsc#1187378). - CVE-2021-3595: slirp: invalid pointer initialization may lead to information disclosure (tftp)(bsc#1187376). - 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-2021-20255: Fixed stack overflow via infinite recursion in eepro100 (bsc#1182654) - CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434) - CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429) - CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues on x86 (XSA-378)(bsc#1189373). - CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433) - CVE-2021-28697: grant table v2 status pages may remain accessible after de-allocation (XSA-379)(bsc#1189376). - CVE-2021-3592: slirp: invalid pointer initialization may lead to information disclosure (bootp)(bsc#1187369). - Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20212957-1/, https://bugzilla.suse.com/1182654, https://bugzilla.suse.com/1186429, https://bugzilla.suse.com/1186433, https://bugzilla.suse.com/1186434, https://bugzilla.suse.com/1187369, https://bugzilla.suse.com/1187376, https://bugzilla.suse.com/1187378, 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-2021-20255, 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, https://www.suse.com/security/cve/CVE-2021-3592, https://www.suse.com/security/cve/CVE-2021-3594, https://www.suse.com/security/cve/CVE-2021-3595

    Affected packages

    Package

    Name: xen

    Purl: pkg:rpm/suse/xen&distro=HPE%20Helion%20OpenStack%208

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.9.4_20-3.91.1

    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-2021:2957-1 | CVE-DB