SUSE-SU-2017:1715-1

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    SUSE-SU-2017:1715-1

    Published: 29 Jun 2017Last Modified: 4 Feb 2026

    Summary: Security update for xen

    Details: This update for xen fixes the following security issues: - blkif responses leaked backend stack data, which allowed unprivileged guest to obtain sensitive information from the host or other guests (XSA-216, bsc#1042863) - Page transfer might have allowed PV guest to elevate privilege (XSA-217, bsc#1042882) - Races in the grant table unmap code allowed for informations leaks and potentially privilege escalation (XSA-218, bsc#1042893) - Insufficient reference counts during shadow emulation allowed a malicious pair of guest to elevate their privileges to the privileges that XEN runs under (XSA-219, bsc#1042915) - Stale P2M mappings due to insufficient error checking allowed malicious guest to leak information or elevate privileges (XSA-222, bsc#1042931) - Grant table operations mishandled reference counts allowing malicious guests to escape (XSA-224, bsc#1042938) - CVE-2017-9330: USB OHCI Emulation in qemu allowed local guest OS users to cause a denial of service (infinite loop) by leveraging an incorrect return value (bsc#1042160) - CVE-2017-8309: Memory leak in the audio/audio.c allowed remote attackers to cause a denial of service (memory consumption) by repeatedly starting and stopping audio capture (bsc#1037243) - CVE-2017-8905: Xen a failsafe callback, which might have allowed PV guest OS users to execute arbitrary code on the host OS (XSA-215, bsc#1034845).

    References: https://www.suse.com/support/update/announcement/2017/suse-su-20171715-1/, https://bugzilla.suse.com/1034845, https://bugzilla.suse.com/1037243, https://bugzilla.suse.com/1042160, https://bugzilla.suse.com/1042863, https://bugzilla.suse.com/1042882, https://bugzilla.suse.com/1042893, https://bugzilla.suse.com/1042915, https://bugzilla.suse.com/1042931, https://bugzilla.suse.com/1042938, https://www.suse.com/security/cve/CVE-2017-8309, https://www.suse.com/security/cve/CVE-2017-8905, https://www.suse.com/security/cve/CVE-2017-9330

    Affected packages

    Package

    Name: xen

    Purl: pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.2.5_21-44.1

    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