Upstream information

CVE-2021-20317 at MITRE

Description

A flaw was found in the Linux kernel. A corrupted timer tree caused the task wakeup to be missing in the timerqueue_add function in lib/timerqueue.c. This flaw allows a local attacker with special user privileges to cause a denial of service, slowing and eventually stopping the system while running OSP.

SUSE information

Overall state of this security issue: Analysis

This issue is currently rated as having moderate severity.

CVSS v3 Scores
  SUSE
Base Score 4.4
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Access Vector Local
Access Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1191125 [NEW]

No SUSE Security Announcements cross referenced.


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Please note that this evaluation state might be work in progress, incomplete or outdated.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.

Product(s) Source package State
HPE Helion OpenStack 8 kernel-default Analysis
HPE Helion OpenStack 8 kernel-source Analysis
HPE Helion OpenStack 8 kernel-source-azure Unsupported
SLES-LTSS-SAP kernel-default Analysis
SLES-LTSS-SAP kernel-source Analysis
SUSE CaaS Platform 4.0 kernel-default Analysis
SUSE CaaS Platform 4.0 kernel-source Analysis
SUSE Enterprise Storage 6 kernel-default Analysis
SUSE Enterprise Storage 6 kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-default Analysis
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source-azure Analysis
SUSE Linux Enterprise High Performance Computing 15 LTSS kernel-default Analysis
SUSE Linux Enterprise High Performance Computing 15 LTSS kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS kernel-default Analysis
SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS kernel-source Analysis
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS kernel-default Analysis
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS kernel-source Analysis
SUSE Linux Enterprise Module for Basesystem 15 SP2 kernel-default Analysis
SUSE Linux Enterprise Module for Basesystem 15 SP2 kernel-source Analysis
SUSE Linux Enterprise Module for Basesystem 15 SP3 kernel-default Analysis
SUSE Linux Enterprise Module for Basesystem 15 SP3 kernel-source Analysis
SUSE Linux Enterprise Module for Development Tools 15 SP2 kernel-default Analysis
SUSE Linux Enterprise Module for Development Tools 15 SP2 kernel-source Analysis
SUSE Linux Enterprise Module for Development Tools 15 SP3 kernel-default Analysis
SUSE Linux Enterprise Module for Development Tools 15 SP3 kernel-source Analysis
SUSE Linux Enterprise Module for Public Cloud 15 kernel-source-azure Analysis
SUSE Linux Enterprise Module for Public Cloud 15 SP1 kernel-source-azure Unsupported
SUSE Linux Enterprise Module for Public Cloud 15 SP2 kernel-source-azure Analysis
SUSE Linux Enterprise Module for Public Cloud 15 SP3 kernel-source-azure Analysis
SUSE Linux Enterprise Point of Service 11 SP3 kernel-default Analysis
SUSE Linux Enterprise Point of Service 11 SP3 kernel-source Analysis
SUSE Linux Enterprise Real Time 12 SP5 kernel-source-rt Analysis
SUSE Linux Enterprise Server 11 SP1 kernel-default Analysis
SUSE Linux Enterprise Server 11 SP1 kernel-source Analysis
SUSE Linux Enterprise Server 11 SP3 kernel-default Analysis
SUSE Linux Enterprise Server 11 SP3 kernel-source Analysis
SUSE Linux Enterprise Server 11 SP4 kernel-default Analysis
SUSE Linux Enterprise Server 11 SP4 kernel-source Analysis
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-default Analysis
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP3 ESPOS kernel-default Analysis
SUSE Linux Enterprise Server 12 SP3 ESPOS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP3 ESPOS kernel-source-azure Unsupported
SUSE Linux Enterprise Server 12 SP3 LTSS kernel-default Analysis
SUSE Linux Enterprise Server 12 SP3 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP3 LTSS kernel-source-azure Unsupported
SUSE Linux Enterprise Server 12 SP4 ESPOS kernel-default Analysis
SUSE Linux Enterprise Server 12 SP4 ESPOS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP4 ESPOS kernel-source-azure Unsupported
SUSE Linux Enterprise Server 12 SP4 LTSS kernel-default Analysis
SUSE Linux Enterprise Server 12 SP4 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 12 SP4 LTSS kernel-source-azure Unsupported
SUSE Linux Enterprise Server 12 SP5 kernel-default Analysis
SUSE Linux Enterprise Server 12 SP5 kernel-source Analysis
SUSE Linux Enterprise Server 12 SP5 kernel-source-azure Analysis
SUSE Linux Enterprise Server 15 ESPOS kernel-default Analysis
SUSE Linux Enterprise Server 15 ESPOS kernel-source Analysis
SUSE Linux Enterprise Server 15 LTSS kernel-default Analysis
SUSE Linux Enterprise Server 15 LTSS kernel-source Analysis
SUSE Linux Enterprise Server 15 SP1 LTSS kernel-default Analysis
SUSE Linux Enterprise Server 15 SP1 LTSS kernel-source Analysis
SUSE Linux Enterprise Server BCL 12 SP2 kernel-default Analysis
SUSE Linux Enterprise Server BCL 12 SP2 kernel-source Analysis
SUSE Linux Enterprise Server BCL 12 SP3 kernel-default Analysis
SUSE Linux Enterprise Server BCL 12 SP3 kernel-source Analysis
SUSE Linux Enterprise Server BCL 12 SP3 kernel-source-azure Analysis
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 kernel-default Analysis
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-default Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-source-azure Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source-azure Unsupported
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-default Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source-azure Analysis
SUSE Linux Enterprise Server for SAP Applications 15 kernel-default Analysis
SUSE Linux Enterprise Server for SAP Applications 15 kernel-source Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kernel-default Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kernel-source Analysis
SUSE OpenStack Cloud 8 kernel-default Analysis
SUSE OpenStack Cloud 8 kernel-source Analysis
SUSE OpenStack Cloud 8 kernel-source-azure Unsupported
SUSE OpenStack Cloud 9 kernel-default Analysis
SUSE OpenStack Cloud 9 kernel-source Analysis
SUSE OpenStack Cloud 9 kernel-source-azure Unsupported
SUSE OpenStack Cloud Crowbar 8 kernel-default Analysis
SUSE OpenStack Cloud Crowbar 8 kernel-source Analysis
SUSE OpenStack Cloud Crowbar 8 kernel-source-azure Unsupported
SUSE OpenStack Cloud Crowbar 9 kernel-default Analysis
SUSE OpenStack Cloud Crowbar 9 kernel-source Analysis
SUSE OpenStack Cloud Crowbar 9 kernel-source-azure Unsupported
SUSE Real Time Module 15 SP2 kernel-source-rt Analysis
SUSE Real Time Module 15 SP3 kernel-source-rt Analysis