Upstream information

CVE-2023-4208 at MITRE

Description

A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation.

When u32_change() is called on an existing filter, the whole tcf_result struct is always copied into the new instance of the filter. This causes a problem when updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading to a use-after-free.

We recommend upgrading past commit 3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.8 7.8
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:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local Local
Attack Complexity Low Low
Privileges Required Low Low
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

Note from the SUSE Security Team

This CVE was marked as duplicate of CVE-2023-4128 and is fixed there.

SUSE Bugzilla entry: 1215114 [RESOLVED / DUPLICATE]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Liberty Linux 7
  • bpftool >= 3.10.0-1160.105.1.el7
  • kernel >= 3.10.0-1160.105.1.el7
  • kernel-abi-whitelists >= 3.10.0-1160.105.1.el7
  • kernel-debug >= 3.10.0-1160.105.1.el7
  • kernel-debug-devel >= 3.10.0-1160.105.1.el7
  • kernel-devel >= 3.10.0-1160.105.1.el7
  • kernel-doc >= 3.10.0-1160.105.1.el7
  • kernel-headers >= 3.10.0-1160.105.1.el7
  • kernel-tools >= 3.10.0-1160.105.1.el7
  • kernel-tools-libs >= 3.10.0-1160.105.1.el7
  • kernel-tools-libs-devel >= 3.10.0-1160.105.1.el7
  • perf >= 3.10.0-1160.105.1.el7
  • python-perf >= 3.10.0-1160.105.1.el7
 Patchnames:
RHSA-2023:7423
SUSE Liberty Linux 8
  • bpftool >= 4.18.0-513.5.1.el8_9
  • kernel >= 4.18.0-513.5.1.el8_9
  • kernel-abi-stablelists >= 4.18.0-513.5.1.el8_9
  • kernel-core >= 4.18.0-513.5.1.el8_9
  • kernel-cross-headers >= 4.18.0-513.5.1.el8_9
  • kernel-debug >= 4.18.0-513.5.1.el8_9
  • kernel-debug-core >= 4.18.0-513.5.1.el8_9
  • kernel-debug-devel >= 4.18.0-513.5.1.el8_9
  • kernel-debug-modules >= 4.18.0-513.5.1.el8_9
  • kernel-debug-modules-extra >= 4.18.0-513.5.1.el8_9
  • kernel-devel >= 4.18.0-513.5.1.el8_9
  • kernel-doc >= 4.18.0-513.5.1.el8_9
  • kernel-headers >= 4.18.0-513.5.1.el8_9
  • kernel-modules >= 4.18.0-513.5.1.el8_9
  • kernel-modules-extra >= 4.18.0-513.5.1.el8_9
  • kernel-tools >= 4.18.0-513.5.1.el8_9
  • kernel-tools-libs >= 4.18.0-513.5.1.el8_9
  • kernel-tools-libs-devel >= 4.18.0-513.5.1.el8_9
  • perf >= 4.18.0-513.5.1.el8_9
  • python3-perf >= 4.18.0-513.5.1.el8_9
 Patchnames:
RHSA-2023:7077
SUSE Liberty Linux 9
  • bpftool >= 7.2.0-362.8.1.el9_3
  • kernel >= 5.14.0-362.8.1.el9_3
  • kernel-abi-stablelists >= 5.14.0-362.8.1.el9_3
  • kernel-core >= 5.14.0-362.8.1.el9_3
  • kernel-cross-headers >= 5.14.0-362.8.1.el9_3
  • kernel-debug >= 5.14.0-362.8.1.el9_3
  • kernel-debug-core >= 5.14.0-362.8.1.el9_3
  • kernel-debug-devel >= 5.14.0-362.8.1.el9_3
  • kernel-debug-devel-matched >= 5.14.0-362.8.1.el9_3
  • kernel-debug-modules >= 5.14.0-362.8.1.el9_3
  • kernel-debug-modules-core >= 5.14.0-362.8.1.el9_3
  • kernel-debug-modules-extra >= 5.14.0-362.8.1.el9_3
  • kernel-debug-uki-virt >= 5.14.0-362.8.1.el9_3
  • kernel-devel >= 5.14.0-362.8.1.el9_3
  • kernel-devel-matched >= 5.14.0-362.8.1.el9_3
  • kernel-doc >= 5.14.0-362.8.1.el9_3
  • kernel-headers >= 5.14.0-362.8.1.el9_3
  • kernel-modules >= 5.14.0-362.8.1.el9_3
  • kernel-modules-core >= 5.14.0-362.8.1.el9_3
  • kernel-modules-extra >= 5.14.0-362.8.1.el9_3
  • kernel-tools >= 5.14.0-362.8.1.el9_3
  • kernel-tools-libs >= 5.14.0-362.8.1.el9_3
  • kernel-tools-libs-devel >= 5.14.0-362.8.1.el9_3
  • kernel-uki-virt >= 5.14.0-362.8.1.el9_3
  • libperf >= 5.14.0-362.8.1.el9_3
  • perf >= 5.14.0-362.8.1.el9_3
  • python3-perf >= 5.14.0-362.8.1.el9_3
  • rtla >= 5.14.0-362.8.1.el9_3
  • rv >= 5.14.0-362.8.1.el9_3
 Patchnames:
RHSA-2023:6583

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 general support and receiving all security fixes.
SUSE Linux Enterprise Desktop 15 SP5 kernel-default Ignore
SUSE Linux Enterprise Desktop 15 SP5 kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-default Ignore
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source-azure Ignore
SUSE Linux Enterprise High Performance Computing 15 SP5 kernel-default Ignore
SUSE Linux Enterprise High Performance Computing 15 SP5 kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 15 SP5 kernel-source-azure Ignore
SUSE Linux Enterprise Micro 5.1 kernel-default Ignore
SUSE Linux Enterprise Micro 5.1 kernel-rt Ignore
SUSE Linux Enterprise Micro 5.1 kernel-source-rt Ignore
SUSE Linux Enterprise Micro 5.2 kernel-default Ignore
SUSE Linux Enterprise Micro 5.2 kernel-rt Ignore
SUSE Linux Enterprise Micro 5.2 kernel-source-rt Ignore
SUSE Linux Enterprise Micro 5.3 kernel-default Ignore
SUSE Linux Enterprise Micro 5.3 kernel-rt Ignore
SUSE Linux Enterprise Micro 5.3 kernel-source-rt Ignore
SUSE Linux Enterprise Micro 5.4 kernel-default Ignore
SUSE Linux Enterprise Micro 5.4 kernel-rt Ignore
SUSE Linux Enterprise Micro 5.4 kernel-source-rt Ignore
SUSE Linux Enterprise Micro 5.5 kernel-source-rt Ignore
SUSE Linux Enterprise Micro 6.0 kernel-source Ignore
SUSE Linux Enterprise Micro 6.0 kernel-source-rt Ignore
SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-default Ignore
SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-source Ignore
SUSE Linux Enterprise Module for Development Tools 15 SP5 kernel-default Ignore
SUSE Linux Enterprise Module for Development Tools 15 SP5 kernel-source Ignore
SUSE Linux Enterprise Module for Public Cloud 15 SP5 kernel-source-azure Ignore
SUSE Linux Enterprise Real Time 12 SP5 kernel-source-rt Ignore
SUSE Linux Enterprise Real Time 15 SP5 kernel-source-rt Ignore
SUSE Linux Enterprise Server 12 SP5 kernel-default Ignore
SUSE Linux Enterprise Server 12 SP5 kernel-source Ignore
SUSE Linux Enterprise Server 12 SP5 kernel-source-azure Ignore
SUSE Linux Enterprise Server 12 SP5-LTSS kernel-source Ignore
SUSE Linux Enterprise Server 12 SP5-LTSS kernel-source-azure Ignore
SUSE Linux Enterprise Server 15 SP5 kernel-default Ignore
SUSE Linux Enterprise Server 15 SP5 kernel-source Ignore
SUSE Linux Enterprise Server 15 SP5 kernel-source-azure Ignore
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-default Ignore
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source Ignore
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source-azure Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP5 kernel-default Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP5 kernel-source Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP5 kernel-source-azure Ignore
SUSE Manager Proxy 4.3 kernel-default Ignore
SUSE Manager Proxy 4.3 kernel-source Ignore
SUSE Manager Proxy 4.3 kernel-source-azure Ignore
SUSE Manager Retail Branch Server 4.3 kernel-default Ignore
SUSE Manager Retail Branch Server 4.3 kernel-source Ignore
SUSE Manager Retail Branch Server 4.3 kernel-source-azure Ignore
SUSE Manager Server 4.3 kernel-default Ignore
SUSE Manager Server 4.3 kernel-source Ignore
SUSE Manager Server 4.3 kernel-source-azure Ignore
SUSE Real Time Module 15 SP5 kernel-source-rt Ignore
openSUSE Leap 15.5 kernel-source Ignore
openSUSE Leap 15.5 kernel-source-azure Ignore
openSUSE Leap 15.5 kernel-source-rt Ignore
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise Desktop 15 SP4 kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 15 SP2 kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 15 SP2 kernel-source-azure Ignore
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-default Ignore
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 15 SP3 kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 15 SP3 kernel-source-azure Ignore
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-default Ignore
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 15 SP4 kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 15 SP4 kernel-source-azure Ignore
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-default Ignore
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-default Ignore
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-source Ignore
SUSE Linux Enterprise Module for Basesystem 15 SP2 kernel-source Ignore
SUSE Linux Enterprise Module for Basesystem 15 SP3 kernel-source Ignore
SUSE Linux Enterprise Module for Basesystem 15 SP4 kernel-source Ignore
SUSE Linux Enterprise Module for Development Tools 15 SP2 kernel-source Ignore
SUSE Linux Enterprise Module for Development Tools 15 SP3 kernel-source Ignore
SUSE Linux Enterprise Module for Development Tools 15 SP4 kernel-source Ignore
SUSE Linux Enterprise Module for Public Cloud 15 SP4 kernel-source-azure Ignore
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-default Ignore
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-source Ignore
SUSE Linux Enterprise Server 15 SP2 kernel-source Ignore
SUSE Linux Enterprise Server 15 SP2 kernel-source-azure Ignore
SUSE Linux Enterprise Server 15 SP2-LTSS kernel-default Ignore
SUSE Linux Enterprise Server 15 SP2-LTSS kernel-source Ignore
SUSE Linux Enterprise Server 15 SP3 kernel-source Ignore
SUSE Linux Enterprise Server 15 SP3 kernel-source-azure Ignore
SUSE Linux Enterprise Server 15 SP3-LTSS kernel-default Ignore
SUSE Linux Enterprise Server 15 SP3-LTSS kernel-source Ignore
SUSE Linux Enterprise Server 15 SP4 kernel-source Ignore
SUSE Linux Enterprise Server 15 SP4 kernel-source-azure Ignore
SUSE Linux Enterprise Server 15 SP4-LTSS kernel-default Ignore
SUSE Linux Enterprise Server 15 SP4-LTSS kernel-source Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-default Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-source Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-source-azure Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-default Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-source Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-source-azure Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-default Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-source Ignore
SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-source-azure Ignore
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 kernel-source Ignore
SUSE CaaS Platform Toolchain 3 kernel-source Ignore
SUSE Enterprise Storage 7 kernel-source Ignore
SUSE Enterprise Storage 7 kernel-source-azure Ignore
SUSE Enterprise Storage 7.1 kernel-default Ignore
SUSE Enterprise Storage 7.1 kernel-source Ignore
SUSE Enterprise Storage 7.1 kernel-source-azure Ignore
SUSE Linux Enterprise Desktop 11 SP4 kernel-source Ignore
SUSE Linux Enterprise Desktop 12 SP2 kernel-source Ignore
SUSE Linux Enterprise Desktop 12 SP3 kernel-source Ignore
SUSE Linux Enterprise Desktop 12 SP4 kernel-source Ignore
SUSE Linux Enterprise Desktop 15 kernel-source Ignore
SUSE Linux Enterprise Desktop 15 SP2 kernel-source Ignore
SUSE Linux Enterprise Desktop 15 SP3 kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 15 kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 15-ESPOS kernel-source Ignore
SUSE Linux Enterprise High Performance Computing 15-LTSS kernel-source Ignore
SUSE Linux Enterprise Module for Basesystem 15 kernel-source Ignore
SUSE Linux Enterprise Module for Development Tools 15 kernel-source Ignore
SUSE Linux Enterprise Module for Public Cloud 15 SP2 kernel-source-azure Ignore
SUSE Linux Enterprise Module for Public Cloud 15 SP3 kernel-source-azure Ignore
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT kernel-source Ignore
SUSE Linux Enterprise Real Time 15 SP2 kernel-source Ignore
SUSE Linux Enterprise Real Time 15 SP3 kernel-source Ignore
SUSE Linux Enterprise Real Time 15 SP3 kernel-source-rt Ignore
SUSE Linux Enterprise Real Time 15 SP4 kernel-source Ignore
SUSE Linux Enterprise Real Time 15 SP4 kernel-source-rt Ignore
SUSE Linux Enterprise Server 11 SP4 kernel-source Ignore
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-default Ignore
SUSE Linux Enterprise Server 11 SP4 LTSS kernel-source Ignore
SUSE Linux Enterprise Server 11 SP4-LTSS kernel-source Ignore
SUSE Linux Enterprise Server 12 SP2 kernel-source Ignore
SUSE Linux Enterprise Server 12 SP2-BCL kernel-source Ignore
SUSE Linux Enterprise Server 12 SP2-ESPOS kernel-source Ignore
SUSE Linux Enterprise Server 12 SP2-LTSS kernel-default Ignore
SUSE Linux Enterprise Server 12 SP2-LTSS kernel-source Ignore
SUSE Linux Enterprise Server 12 SP3 kernel-source Ignore
SUSE Linux Enterprise Server 12 SP3-BCL kernel-source Ignore
SUSE Linux Enterprise Server 12 SP3-ESPOS kernel-source Ignore
SUSE Linux Enterprise Server 12 SP3-LTSS kernel-source Ignore
SUSE Linux Enterprise Server 12 SP4 kernel-source Ignore
SUSE Linux Enterprise Server 12 SP4-ESPOS kernel-source Ignore
SUSE Linux Enterprise Server 12 SP4-LTSS kernel-default Ignore
SUSE Linux Enterprise Server 12 SP4-LTSS kernel-source Ignore
SUSE Linux Enterprise Server 15 kernel-source Ignore
SUSE Linux Enterprise Server 15 SP2-BCL kernel-source Ignore
SUSE Linux Enterprise Server 15 SP3-BCL kernel-source Ignore
SUSE Linux Enterprise Server 15-LTSS kernel-default Ignore
SUSE Linux Enterprise Server 15-LTSS kernel-source Ignore
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 kernel-source Ignore
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-default Ignore
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-source Ignore
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-source Ignore
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default Ignore
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source Ignore
SUSE Linux Enterprise Server for SAP Applications 15 kernel-source Ignore
SUSE Manager Proxy 4.1 kernel-source Ignore
SUSE Manager Proxy 4.1 kernel-source-azure Ignore
SUSE Manager Proxy 4.2 kernel-source Ignore
SUSE Manager Proxy 4.2 kernel-source-azure Ignore
SUSE Manager Retail Branch Server 4.1 kernel-source Ignore
SUSE Manager Retail Branch Server 4.1 kernel-source-azure Ignore
SUSE Manager Retail Branch Server 4.2 kernel-source Ignore
SUSE Manager Retail Branch Server 4.2 kernel-source-azure Ignore
SUSE Manager Server 4.1 kernel-source Ignore
SUSE Manager Server 4.1 kernel-source-azure Ignore
SUSE Manager Server 4.2 kernel-source Ignore
SUSE Manager Server 4.2 kernel-source-azure Ignore
SUSE OpenStack Cloud 7 kernel-source Ignore
SUSE OpenStack Cloud 8 kernel-source Ignore
SUSE OpenStack Cloud 9 kernel-default Ignore
SUSE OpenStack Cloud 9 kernel-source Ignore
SUSE OpenStack Cloud Crowbar 8 kernel-source Ignore
SUSE OpenStack Cloud Crowbar 9 kernel-default Ignore
SUSE OpenStack Cloud Crowbar 9 kernel-source Ignore
SUSE Real Time Module 15 SP3 kernel-source-rt Ignore
SUSE Real Time Module 15 SP4 kernel-source-rt Ignore
openSUSE Leap 15.3 kernel-source Ignore
openSUSE Leap 15.3 kernel-source-azure Ignore
openSUSE Leap 15.3 kernel-source-rt Ignore
openSUSE Leap 15.4 kernel-source Ignore
openSUSE Leap 15.4 kernel-source-azure Ignore
openSUSE Leap 15.4 kernel-source-rt Ignore
Products at an unknown state of their lifecycle.
SUSE Linux Enterprise Server 12 SP5-LTSS-EXTENDED-SECURITY kernel-source Ignore
SUSE Linux Enterprise Server 12 SP5-LTSS-EXTENDED-SECURITY kernel-source-azure Ignore

SUSE Timeline for this CVE

CVE page created: Wed Sep 6 18:03:19 2023
CVE page last modified: Sat Oct 5 00:15:31 2024