Upstream information

CVE-2021-33033 at MITRE

Description

The Linux kernel before 5.11.14 has a use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c because the CIPSO and CALIPSO refcounting for the DOI definitions is mishandled, aka CID-ad5d07f4a9cd. This leads to writing an arbitrary value.

SUSE information

Overall state of this security issue: Analysis

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.6
Vector AV:L/AC:L/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.8 6.7
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Access Vector Local Local
Access Complexity Low Low
Privileges Required Low High
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entries: 1186109 [NEW], 1186283 [RESOLVED / INVALID], 1188876 [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Please note that this evaluation state might be work in progress, incomplete or outdated.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
Carwos 1 kernel-source-rt Affected
HPE Helion OpenStack 8 kernel-default Affected
HPE Helion OpenStack 8 kernel-source Affected
HPE Helion OpenStack 8 kernel-source-azure Affected
SUSE CaaS Platform 4.0 kernel-default Affected
SUSE CaaS Platform 4.0 kernel-source Affected
SUSE Enterprise Storage 6 kernel-default Affected
SUSE Enterprise Storage 6 kernel-source Affected
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-default Affected
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source Affected
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source-azure Affected
SUSE Linux Enterprise High Performance Computing 15 LTSS kernel-default Affected
SUSE Linux Enterprise High Performance Computing 15 LTSS kernel-source Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS kernel-default Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS kernel-source Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 kernel-default Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 kernel-source Affected
SUSE Linux Enterprise Module for Development Tools 15 SP2 kernel-default Affected
SUSE Linux Enterprise Module for Development Tools 15 SP2 kernel-source Affected
SUSE Linux Enterprise Module for Public Cloud 15 kernel-source-azure Affected
SUSE Linux Enterprise Module for Public Cloud 15 SP1 kernel-source-azure Affected
SUSE Linux Enterprise Module for Public Cloud 15 SP2 kernel-source-azure Affected
SUSE Linux Enterprise Point of Service 11 SP3 kernel-default Affected
SUSE Linux Enterprise Point of Service 11 SP3 kernel-source Affected
SUSE Linux Enterprise Real Time 12 SP5 kernel-source-rt Affected
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-default Affected
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 SP2 BCL kernel-default Affected
SUSE Linux Enterprise Server 12 SP2 BCL kernel-source Affected
SUSE Linux Enterprise Server 12 SP2 LTSS ERICSSON kernel-default Affected
SUSE Linux Enterprise Server 12 SP2 LTSS ERICSSON kernel-source Affected
SUSE Linux Enterprise Server 12 SP2 LTSS SAP kernel-default Affected
SUSE Linux Enterprise Server 12 SP2 LTSS SAP kernel-source Affected
SUSE Linux Enterprise Server 12 SP3 BCL kernel-default Affected
SUSE Linux Enterprise Server 12 SP3 BCL kernel-source Affected
SUSE Linux Enterprise Server 12 SP3 BCL kernel-source-azure Affected
SUSE Linux Enterprise Server 12 SP3 ESPOS kernel-default Affected
SUSE Linux Enterprise Server 12 SP3 ESPOS kernel-source Affected
SUSE Linux Enterprise Server 12 SP3 ESPOS kernel-source-azure Affected
SUSE Linux Enterprise Server 12 SP3 LTSS kernel-default Affected
SUSE Linux Enterprise Server 12 SP3 LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 SP3 LTSS kernel-source-azure Affected
SUSE Linux Enterprise Server 12 SP4 ESPOS kernel-default Affected
SUSE Linux Enterprise Server 12 SP4 ESPOS kernel-source Affected
SUSE Linux Enterprise Server 12 SP4 ESPOS kernel-source-azure Affected
SUSE Linux Enterprise Server 12 SP4 LTSS kernel-default Affected
SUSE Linux Enterprise Server 12 SP4 LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 SP4 LTSS kernel-source-azure Affected
SUSE Linux Enterprise Server 12 SP5 kernel-default Affected
SUSE Linux Enterprise Server 12 SP5 kernel-source Affected
SUSE Linux Enterprise Server 12 SP5 kernel-source-azure Affected
SUSE Linux Enterprise Server 15 LTSS kernel-default Affected
SUSE Linux Enterprise Server 15 LTSS kernel-source Affected
SUSE Linux Enterprise Server 15 SP1 Business Critical Linux kernel-default Affected
SUSE Linux Enterprise Server 15 SP1 Business Critical Linux kernel-source Affected
SUSE Linux Enterprise Server 15 SP1 LTSS kernel-default Affected
SUSE Linux Enterprise Server 15 SP1 LTSS kernel-source Affected
SUSE Linux Enterprise Server ESPOS 15 kernel-default Affected
SUSE Linux Enterprise Server ESPOS 15 kernel-source Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-default Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-source Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-source-azure Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source-azure Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-default Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source-azure Affected
SUSE Linux Enterprise Server for SAP Applications 15 kernel-default Affected
SUSE Linux Enterprise Server for SAP Applications 15 kernel-source Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kernel-default Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kernel-source Affected
SUSE Manager Proxy 4.0 kernel-default Affected
SUSE Manager Proxy 4.0 kernel-source Affected
SUSE Manager Retail Branch Server 4.0 kernel-default Affected
SUSE Manager Retail Branch Server 4.0 kernel-source Affected
SUSE Manager Server 4.0 kernel-default Affected
SUSE Manager Server 4.0 kernel-source Affected
SUSE OpenStack Cloud 8 kernel-default Affected
SUSE OpenStack Cloud 8 kernel-source Affected
SUSE OpenStack Cloud 8 kernel-source-azure Affected
SUSE OpenStack Cloud 9 kernel-default Affected
SUSE OpenStack Cloud 9 kernel-source Affected
SUSE OpenStack Cloud 9 kernel-source-azure Affected
SUSE OpenStack Cloud Crowbar 8 kernel-default Affected
SUSE OpenStack Cloud Crowbar 8 kernel-source Affected
SUSE OpenStack Cloud Crowbar 8 kernel-source-azure Affected
SUSE OpenStack Cloud Crowbar 9 kernel-default Affected
SUSE OpenStack Cloud Crowbar 9 kernel-source Affected
SUSE OpenStack Cloud Crowbar 9 kernel-source-azure Affected
SUSE Real Time Module kernel-source-rt Affected