SUSE-SU-2019:3309-1

    Dashboard / Vulnerabilities / SUSE-SU-2019:3309-1

    SUSE-SU-2019:3309-1

    Published: 16 Dec 2019Last Modified: 4 Feb 2026

    Summary: Security update for xen

    Details: This update for xen fixes the following issues: - CVE-2019-19581: Fixed a potential out of bounds on 32-bit Arm (bsc#1158003 XSA-307). - CVE-2019-19582: Fixed a potential infinite loop when x86 accesses to bitmaps with a compile time known size of 64 (bsc#1158003 XSA-307). - CVE-2019-19583: Fixed improper checks which could have allowed HVM/PVH guest userspace code to crash the guest,leading to a guest denial of service (bsc#1158004 XSA-308). - CVE-2019-19578: Fixed an issue where a malicious or buggy PV guest could have caused hypervisor crash resulting in denial of service affecting the entire host (bsc#1158005 XSA-309). - CVE-2019-19580: Fixed a privilege escalation where a malicious PV guest administrator could have been able to escalate their privilege to that of the host (bsc#1158006 XSA-310). - CVE-2019-19577: Fixed an issue where a malicious guest administrator could have caused Xen to access data structures while they are being modified leading to a crash (bsc#1158007 XSA-311). - CVE-2019-19579: Fixed a privilege escaltion where an untrusted domain with access to a physical device can DMA into host memory (bsc#1157888 XSA-306). - CVE-2019-18423: A malicious guest administrator may cause a hypervisor crash, resulting in a Denial of Service (DoS) (bsc#1154460 XSA-301). - CVE-2019-18422: A malicious ARM guest might contrive to arrange for critical Xen code to run with interrupts erroneously enabled. This could lead to data corruption, denial of service, or possibly even privilege escalation. However a precise attack technique has not been identified. (bsc#1154464 XSA-303)

    References: https://www.suse.com/support/update/announcement/2019/suse-su-20193309-1/, https://bugzilla.suse.com/1154460, https://bugzilla.suse.com/1154464, https://bugzilla.suse.com/1157888, https://bugzilla.suse.com/1158003, https://bugzilla.suse.com/1158004, https://bugzilla.suse.com/1158005, https://bugzilla.suse.com/1158006, https://bugzilla.suse.com/1158007, https://www.suse.com/security/cve/CVE-2019-18422, https://www.suse.com/security/cve/CVE-2019-18423, https://www.suse.com/security/cve/CVE-2019-19577, https://www.suse.com/security/cve/CVE-2019-19578, https://www.suse.com/security/cve/CVE-2019-19579, https://www.suse.com/security/cve/CVE-2019-19580, https://www.suse.com/security/cve/CVE-2019-19581, https://www.suse.com/security/cve/CVE-2019-19582, https://www.suse.com/security/cve/CVE-2019-19583

    Affected packages

    Package

    Name: xen

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.10.4_08-3.28.1

    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-2019:3309-1 | CVE-DB