Upstream information
Description
An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a host OS crash because of incorrect error handling in event-channel port allocation. The allocation of an event-channel port may fail for multiple reasons: (1) port is already in use, (2) the memory allocation failed, or (3) the port we try to allocate is higher than what is supported by the ABI (e.g., 2L or FIFO) used by the guest or the limit set by an administrator (max_event_channels in xl cfg). Due to the missing error checks, only (1) will be considered an error. All the other cases will provide a valid port and will result in a crash when trying to access the event channel. When the administrator configured a guest to allow more than 1023 event channels, that guest may be able to crash the host. When Xen is out-of-memory, allocation of new event channels will result in crashing the host rather than reporting an error. Xen versions 4.10 and later are affected. All architectures are affected. The default configuration, when guests are created with xl/libxl, is not vulnerable, because of the default event-channel limit.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having moderate severity.
National Vulnerability Database | |
---|---|
Base Score | 4.7 |
Vector | AV:L/AC:M/Au:N/C:N/I:N/A:C |
Access Vector | Local |
Access Complexity | Medium |
Authentication | None |
Confidentiality Impact | None |
Integrity Impact | None |
Availability Impact | Complete |
National Vulnerability Database | |
---|---|
Base Score | 6.5 |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
Attack Vector | Local |
Attack Complexity | Low |
Privileges Required | Low |
User Interaction | None |
Scope | Changed |
Confidentiality Impact | None |
Integrity Impact | None |
Availability Impact | High |
CVSSv3 Version | 3.1 |
Note from the SUSE Security Team on the xen package
This issue likely only affects the XEN hypervisor itself, unless otherwise stated. The userland utilities in -tools and libraries in -libs are shipped together with the xen hypervisor as they are built from one source and do not contain hypervisor specific fixes. SUSE Bugzilla entry: 1173376 [RESOLVED / FIXED]SUSE Security Advisories:
- SUSE-IU-2020:117-1, published Mon Dec 14 03:22:53 MST 2020
- SUSE-IU-2020:87-1, published Wed Sep 23 06:25:22 MDT 2020
- SUSE-IU-2020:88-1, published Wed Sep 23 06:25:55 MDT 2020
- SUSE-SU-2020:1887-1, published Fri Jul 10 13:12:26 MDT 2020
- SUSE-SU-2020:1888-1, published Fri Jul 10 13:14:29 MDT 2020
- SUSE-SU-2020:1889-1, published Fri Jul 10 13:15:29 MDT 2020
- SUSE-SU-2020:1891-1, published Mon Jul 13 07:17:23 MDT 2020
- SUSE-SU-2020:1902-1, published Tue Jul 14 10:21:28 MDT 2020
- openSUSE-SU-2020:0965-1, published Thu Dec 7 12:55:40 2023
- openSUSE-SU-2020:0985-1, published Thu Dec 7 12:55:40 2023
List of released packages
Product(s) | Fixed package version(s) | References |
---|---|---|
Container suse/sles/15.2/virt-launcher:0.38.1 Image SLES15-SP2-Azure-Basic Image SLES15-SP2-Azure-Standard Image SLES15-SP2-BYOS-Azure Image SLES15-SP2-BYOS-GCE Image SLES15-SP2-CHOST-BYOS-Aliyun Image SLES15-SP2-CHOST-BYOS-Azure Image SLES15-SP2-CHOST-BYOS-GCE Image SLES15-SP2-GCE Image SLES15-SP2-HPC-Azure Image SLES15-SP2-HPC-BYOS-Azure Image SLES15-SP2-Manager-4-1-Proxy-BYOS-Azure Image SLES15-SP2-Manager-4-1-Proxy-BYOS-GCE Image SLES15-SP2-Manager-4-1-Server-BYOS-Azure Image SLES15-SP2-Manager-4-1-Server-BYOS-GCE Image SLES15-SP2-SAP-Azure Image SLES15-SP2-SAP-Azure-LI-BYOS-Production Image SLES15-SP2-SAP-Azure-VLI-BYOS-Production Image SLES15-SP2-SAP-BYOS-Azure Image SLES15-SP2-SAP-BYOS-GCE Image SLES15-SP2-SAP-GCE |
| |
Image SLES12-SP4-EC2-HVM-BYOS Image SLES12-SP4-SAP-EC2-HVM Image SLES12-SP4-SAP-EC2-HVM-BYOS |
| |
Image SLES12-SP5-EC2-BYOS Image SLES12-SP5-EC2-ECS-On-Demand Image SLES12-SP5-EC2-On-Demand Image SLES12-SP5-EC2-SAP-BYOS Image SLES12-SP5-EC2-SAP-On-Demand |
| |
Image SLES15-EC2-CHOST-HVM-BYOS Image SLES15-EC2-HVM-BYOS Image SLES15-SAP-EC2-HVM Image SLES15-SAP-EC2-HVM-BYOS |
| |
Image SLES15-SP1-CAP-Deployment-BYOS-EC2-HVM Image SLES15-SP1-CHOST-BYOS-EC2 Image SLES15-SP1-EC2-HPC-HVM-BYOS Image SLES15-SP1-EC2-HVM-BYOS Image SLES15-SP1-Manager-4-0-EC2-HVM-BYOS-Proxy Image SLES15-SP1-Manager-4-0-EC2-HVM-BYOS-Server Image SLES15-SP1-SAP-EC2-HVM Image SLES15-SP1-SAP-EC2-HVM-BYOS Image SLES15-SP1-SAPCAL-EC2-HVM |
| |
Image SLES15-SP2-BYOS-EC2-HVM Image SLES15-SP2-CHOST-BYOS-EC2 Image SLES15-SP2-EC2-ECS-HVM Image SLES15-SP2-EC2-HVM Image SLES15-SP2-HPC-BYOS-EC2-HVM Image SLES15-SP2-Manager-4-1-Proxy-BYOS-EC2-HVM Image SLES15-SP2-Manager-4-1-Server-BYOS-EC2-HVM Image SLES15-SP2-SAP-BYOS-EC2-HVM Image SLES15-SP2-SAP-EC2-HVM |
| |
SUSE Enterprise Storage 6 SUSE Linux Enterprise High Performance Computing 15 SP1 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server for SAP Applications 15 SP1 SUSE Manager Proxy 4.0 SUSE Manager Retail Branch Server 4.0 SUSE Manager Server 4.0 |
| Patchnames: SUSE-SLE-Module-Basesystem-15-SP1-2020-1889 SUSE-SLE-Module-Server-Applications-15-SP1-2020-1889 |
SUSE Enterprise Storage 7.1 SUSE Linux Enterprise High Performance Computing 15 SP3 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Manager Proxy 4.2 SUSE Manager Retail Branch Server 4.2 SUSE Manager Server 4.2 |
| Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP3 GA xen-libs-4.14.1_16-1.6 SUSE Linux Enterprise Module for Server Applications 15 SP3 GA xen-4.14.1_16-1.6 |
SUSE Enterprise Storage 7 SUSE Linux Enterprise High Performance Computing 15 SP2 SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Manager Proxy 4.1 SUSE Manager Retail Branch Server 4.1 SUSE Manager Server 4.1 |
| Patchnames: SUSE-SLE-Module-Basesystem-15-SP2-2020-1902 SUSE-SLE-Module-Server-Applications-15-SP2-2020-1902 |
SUSE Linux Enterprise Desktop 15 SP1 SUSE Linux Enterprise Module for Basesystem 15 SP1 |
| Patchnames: SUSE-SLE-Module-Basesystem-15-SP1-2020-1889 |
SUSE Linux Enterprise Desktop 15 SP2 SUSE Linux Enterprise Module for Basesystem 15 SP2 |
| Patchnames: SUSE-SLE-Module-Basesystem-15-SP2-2020-1902 |
SUSE Linux Enterprise Desktop 15 SP3 SUSE Linux Enterprise Module for Basesystem 15 SP3 |
| Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP3 GA xen-libs-4.14.1_16-1.6 |
SUSE Linux Enterprise Desktop 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP4 |
| Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP4 GA xen-libs-4.16.0_08-150400.2.12 |
SUSE Linux Enterprise Desktop 15 SP5 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP5 |
| Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP5 GA xen-libs-4.17.0_06-150500.1.10 |
SUSE Linux Enterprise Desktop 15 SP6 SUSE Linux Enterprise High Performance Computing 15 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server for SAP Applications 15 SP6 |
| Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP6 GA xen-libs-4.18.2_02-150600.1.12 |
SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.3 |
| Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP4 GA xen-libs-4.16.0_08-150400.2.12 SUSE Linux Enterprise Module for Server Applications 15 SP4 GA xen-4.16.0_08-150400.2.12 |
SUSE Linux Enterprise High Performance Computing 15-ESPOS SUSE Linux Enterprise High Performance Computing 15-LTSS |
| Patchnames: SUSE-SLE-Product-HPC-15-2020-1888 |
SUSE Linux Enterprise Micro 5.0 |
| Patchnames: SUSE Linux Enterprise Micro 5.0 GA xen-libs-4.13.2_06-3.22.1 |
SUSE Linux Enterprise Micro 5.1 |
| Patchnames: SUSE Linux Enterprise Micro 5.1 GA xen-libs-4.14.2_04-3.9.1 |
SUSE Linux Enterprise Micro 5.2 |
| Patchnames: SUSE Linux Enterprise Micro 5.2 GA xen-libs-4.14.3_06-150300.3.18.2 |
SUSE Linux Enterprise Micro 5.3 |
| Patchnames: SUSE Linux Enterprise Micro 5.3 GA xen-libs-4.16.1_06-150400.4.8.1 |
SUSE Linux Enterprise Micro 5.4 |
| Patchnames: SUSE Linux Enterprise Micro 5.4 GA xen-libs-4.16.3_02-150400.4.19.1 |
SUSE Linux Enterprise Module for Server Applications 15 SP1 |
| Patchnames: SUSE-SLE-Module-Server-Applications-15-SP1-2020-1889 |
SUSE Linux Enterprise Module for Server Applications 15 SP2 |
| Patchnames: SUSE-SLE-Module-Server-Applications-15-SP2-2020-1902 |
SUSE Linux Enterprise Module for Server Applications 15 SP3 |
| Patchnames: SUSE Linux Enterprise Module for Server Applications 15 SP3 GA xen-4.14.1_16-1.6 |
SUSE Linux Enterprise Module for Server Applications 15 SP4 |
| Patchnames: SUSE Linux Enterprise Module for Server Applications 15 SP4 GA xen-4.16.0_08-150400.2.12 |
SUSE Linux Enterprise Server 12 SP4-ESPOS |
| Patchnames: SUSE-SLE-SERVER-12-SP4-ESPOS-2020-1891 |
SUSE Linux Enterprise Server 12 SP4-LTSS |
| Patchnames: SUSE-SLE-SERVER-12-SP4-LTSS-2020-1891 |
SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP5 |
| Patchnames: SUSE-SLE-SDK-12-SP5-2020-1887 SUSE-SLE-SERVER-12-SP5-2020-1887 |
SUSE Linux Enterprise Server 15-LTSS |
| Patchnames: SUSE-SLE-Product-SLES-15-2020-1888 |
SUSE Linux Enterprise Server for SAP Applications 12 SP4 |
| Patchnames: SUSE-SLE-SAP-12-SP4-2020-1891 |
SUSE Linux Enterprise Server for SAP Applications 15 |
| Patchnames: SUSE-SLE-Product-SLES_SAP-15-2020-1888 |
SUSE Linux Enterprise Software Development Kit 12 SP5 |
| Patchnames: SUSE-SLE-SDK-12-SP5-2020-1887 |
SUSE OpenStack Cloud 9 |
| Patchnames: SUSE-OpenStack-Cloud-9-2020-1891 |
SUSE OpenStack Cloud Crowbar 9 |
| Patchnames: SUSE-OpenStack-Cloud-Crowbar-9-2020-1891 |
openSUSE Leap 15.1 |
| Patchnames: openSUSE-2020-965 |
openSUSE Leap 15.2 |
| Patchnames: openSUSE-2020-985 |
openSUSE Leap 15.3 |
| Patchnames: openSUSE Leap 15.3 GA xen-libs-4.14.1_16-1.6 |
openSUSE Leap 15.4 |
| Patchnames: openSUSE Leap 15.4 GA xen-libs-4.16.0_08-150400.2.12 |
openSUSE Tumbleweed |
| Patchnames: openSUSE-Tumbleweed-2024-11520 |
First public cloud image revisions this CVE is fixed in:
- alibaba/sles-15-sp3-chost-byos-v20210729
- alibaba/sles-15-sp3-chost-byos-v20210827
- amazon/suse-manager-4-2-proxy-byos-v20210924-hvm-ssd-x86_64
- amazon/suse-manager-4-2-server-byos-v20210924-hvm-ssd-x86_64
- amazon/suse-sles-15-sp3-byos-v20210924-hvm-ssd-x86_64
- amazon/suse-sles-15-sp3-chost-byos-v20210729-hvm-ssd-x86_64
- amazon/suse-sles-15-sp3-chost-byos-v20210827-hvm-ssd-x86_64
- amazon/suse-sles-15-sp3-v20210924-ecs-hvm-ssd-x86_64
- amazon/suse-sles-15-sp3-v20210924-hvm-ssd-x86_64
- amazon/suse-sles-hpc-15-sp3-byos-v20210924-hvm-ssd-x86_64
- amazon/suse-sles-sap-15-sp3-byos-v20210924-hvm-ssd-x86_64
- google/sles-15-sp3-byos-v20210812
- google/sles-15-sp3-chost-byos-v20210729
- google/sles-15-sp3-chost-byos-v20210827
- google/sles-15-sp3-sap-byos-v20210812
- google/sles-15-sp3-sap-v20210812
- google/sles-15-sp3-sapcal-v20210812
- google/sles-15-sp3-v20210812
- google/suse-manager-4-2-proxy-byos-v20210812
- google/suse-manager-4-2-server-byos-v20210812
- microsoft/suse-manager-4-2-proxy-byos-v20210924
- microsoft/suse-manager-4-2-server-byos-v20210924
- microsoft/suse-sles-15-sp3-basic-v20210924
- microsoft/suse-sles-15-sp3-byos-v20210924
- microsoft/suse-sles-15-sp3-chost-byos-v20210729
- microsoft/suse-sles-15-sp3-chost-byos-v20210827
- microsoft/suse-sles-15-sp3-hpc-byos-v20210924
- microsoft/suse-sles-15-sp3-hpc-v20210924
- microsoft/suse-sles-15-sp3-sapcal-v20220120
- microsoft/suse-sles-15-sp3-v20210924
- microsoft/suse-sles-sap-15-sp3-byos-v20210924
- microsoft/suse-sles-sap-15-sp3-v20210924
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.
Product(s) | Source package | State |
---|---|---|
Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
SUSE Linux Enterprise High Performance Computing 12 SP5 | xen | Released |
SUSE Linux Enterprise High Performance Computing 15 SP2 | xen | Released |
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS | xen | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | xen | Affected |
SUSE Linux Enterprise Module for Basesystem 15 SP2 | xen | Released |
SUSE Linux Enterprise Module for Server Applications 15 SP2 | xen | Released |
SUSE Linux Enterprise Server 12 SP5 | xen | Released |
SUSE Linux Enterprise Server 12 SP5-LTSS | xen | Affected |
SUSE Linux Enterprise Server 15 SP2 | xen | Released |
SUSE Linux Enterprise Server 15 SP2-LTSS | xen | Affected |
SUSE Linux Enterprise Server 15-ESPOS | xen | Released |
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 | xen | Released |
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | xen | Affected |
SUSE Linux Enterprise Server for SAP Applications 12 SP5 | xen | Released |
SUSE Linux Enterprise Server for SAP Applications 15 SP2 | xen | Released |
Products past their end of life and not receiving proactive updates anymore. | ||
HPE Helion OpenStack 8 | xen | Not affected |
SUSE CaaS Platform 3.0 | xen | Not affected |
SUSE CaaS Platform 4.0 | xen | Released |
SUSE Container as a Service Platform 1.0 | xen | Unsupported |
SUSE Container as a Service Platform 2.0 | xen | Not affected |
SUSE Enterprise Storage 6 | xen | Released |
SUSE Enterprise Storage 7 | xen | Released |
SUSE Linux Enterprise Desktop 11 SP4 | xen | Not affected |
SUSE Linux Enterprise Desktop 12 SP2 | xen | Not affected |
SUSE Linux Enterprise Desktop 12 SP3 | xen | Not affected |
SUSE Linux Enterprise Desktop 12 SP4 | xen | Released |
SUSE Linux Enterprise Desktop 15 | xen | Affected |
SUSE Linux Enterprise Desktop 15 SP1 | xen | Released |
SUSE Linux Enterprise Desktop 15 SP2 | xen | Released |
SUSE Linux Enterprise High Performance Computing 12 SP4 | xen | Released |
SUSE Linux Enterprise High Performance Computing 15 | xen | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP1 | xen | Released |
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS | xen | Affected |
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS | xen | Released |
SUSE Linux Enterprise High Performance Computing 15-ESPOS | xen | Released |
SUSE Linux Enterprise High Performance Computing 15-LTSS | xen | Released |
SUSE Linux Enterprise Micro 5.0 | xen | Affected |
SUSE Linux Enterprise Module for Basesystem 15 | xen | Affected |
SUSE Linux Enterprise Module for Basesystem 15 SP1 | xen | Released |
SUSE Linux Enterprise Module for Server Applications 15 | xen | Affected |
SUSE Linux Enterprise Module for Server Applications 15 SP1 | xen | Released |
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT | xen | Not affected |
SUSE Linux Enterprise Real Time 15 SP2 | xen | Affected |
SUSE Linux Enterprise Server 11 SP4 | xen | Not affected |
SUSE Linux Enterprise Server 11 SP4 LTSS | xen | Not affected |
SUSE Linux Enterprise Server 11 SP4-LTSS | xen | Not affected |
SUSE Linux Enterprise Server 12 SP2 | xen | Not affected |
SUSE Linux Enterprise Server 12 SP2-BCL | xen | Not affected |
SUSE Linux Enterprise Server 12 SP2-ESPOS | xen | Not affected |
SUSE Linux Enterprise Server 12 SP2-LTSS | xen | Not affected |
SUSE Linux Enterprise Server 12 SP3 | xen | Not affected |
SUSE Linux Enterprise Server 12 SP3-BCL | xen | Not affected |
SUSE Linux Enterprise Server 12 SP3-ESPOS | xen | Not affected |
SUSE Linux Enterprise Server 12 SP3-LTSS | xen | Not affected |
SUSE Linux Enterprise Server 12 SP4 | xen | Released |
SUSE Linux Enterprise Server 12 SP4-ESPOS | xen | Released |
SUSE Linux Enterprise Server 12 SP4-LTSS | xen | Released |
SUSE Linux Enterprise Server 15 | xen | Affected |
SUSE Linux Enterprise Server 15 SP1 | xen | Released |
SUSE Linux Enterprise Server 15 SP1-BCL | xen | Affected |
SUSE Linux Enterprise Server 15 SP1-LTSS | xen | Released |
SUSE Linux Enterprise Server 15 SP2-BCL | xen | Affected |
SUSE Linux Enterprise Server 15-LTSS | xen | Released |
SUSE Linux Enterprise Server for SAP Applications 11 SP4 | xen | Not affected |
SUSE Linux Enterprise Server for SAP Applications 12 SP2 | xen | Not affected |
SUSE Linux Enterprise Server for SAP Applications 12 SP3 | xen | Not affected |
SUSE Linux Enterprise Server for SAP Applications 12 SP4 | xen | Released |
SUSE Linux Enterprise Server for SAP Applications 15 | xen | Released |
SUSE Linux Enterprise Server for SAP Applications 15 SP1 | xen | Released |
SUSE Linux Enterprise Software Development Kit 11 SP4 | xen | Not affected |
SUSE Linux Enterprise Software Development Kit 12 SP2 | xen | Not affected |
SUSE Linux Enterprise Software Development Kit 12 SP3 | xen | Not affected |
SUSE Linux Enterprise Software Development Kit 12 SP4 | xen | Released |
SUSE Linux Enterprise Software Development Kit 12 SP5 | xen | Released |
SUSE Manager Proxy 4.0 | xen | Released |
SUSE Manager Proxy 4.1 | xen | Released |
SUSE Manager Retail Branch Server 4.0 | xen | Released |
SUSE Manager Retail Branch Server 4.1 | xen | Released |
SUSE Manager Server 4.0 | xen | Released |
SUSE Manager Server 4.1 | xen | Released |
SUSE OpenStack Cloud 7 | xen | Not affected |
SUSE OpenStack Cloud 8 | xen | Not affected |
SUSE OpenStack Cloud 9 | xen | Released |
SUSE OpenStack Cloud Crowbar 8 | xen | Not affected |
SUSE OpenStack Cloud Crowbar 9 | xen | Released |
SUSE Timeline for this CVE
CVE page created: Thu Jun 25 18:27:03 2020CVE page last modified: Mon Nov 18 13:58:20 2024