Upstream information

CVE-2023-2236 at MITRE

Description

A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.

Both io_install_fixed_file and its callers call fput in a file in case of an error, causing a reference underflow which leads to a use-after-free vulnerability.

We recommend upgrading past commit 9d94c04c0db024922e886c9fd429659f22f48ea4.


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
SUSE Bugzilla entries: 1210990 [RESOLVED / DUPLICATE], 1210991 [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Please note that this evaluation state might be work in progress, incomplete or outdated.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. 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 Already fixed
SUSE Linux Enterprise Desktop 15 SP5 kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP5 kernel-default Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP5 kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP5 kernel-source-azure Already fixed
SUSE Linux Enterprise Micro 5.1 kernel-default Not affected
SUSE Linux Enterprise Micro 5.1 kernel-rt Not affected
SUSE Linux Enterprise Micro 5.1 kernel-source-rt Not affected
SUSE Linux Enterprise Micro 5.2 kernel-default Not affected
SUSE Linux Enterprise Micro 5.2 kernel-rt Not affected
SUSE Linux Enterprise Micro 5.2 kernel-source-rt Not affected
SUSE Linux Enterprise Micro 5.3 kernel-default Already fixed
SUSE Linux Enterprise Micro 5.3 kernel-rt Already fixed
SUSE Linux Enterprise Micro 5.3 kernel-source-rt Already fixed
SUSE Linux Enterprise Micro 5.4 kernel-default Already fixed
SUSE Linux Enterprise Micro 5.4 kernel-rt Already fixed
SUSE Linux Enterprise Micro 5.4 kernel-source-rt Already fixed
SUSE Linux Enterprise Micro 5.5 kernel-source-rt Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-default Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-source Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP5 kernel-default Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP5 kernel-source Already fixed
SUSE Linux Enterprise Module for Public Cloud 15 SP5 kernel-source-azure Already fixed
SUSE Linux Enterprise Real Time 15 SP5 kernel-source-rt Not affected
SUSE Linux Enterprise Server 15 SP5 kernel-default Already fixed
SUSE Linux Enterprise Server 15 SP5 kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP5 kernel-source-azure Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP5 kernel-default Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP5 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP5 kernel-source-azure Already fixed
SUSE Manager Proxy 4.3 kernel-default Already fixed
SUSE Manager Proxy 4.3 kernel-source Already fixed
SUSE Manager Proxy 4.3 kernel-source-azure Already fixed
SUSE Manager Retail Branch Server 4.3 kernel-default Already fixed
SUSE Manager Retail Branch Server 4.3 kernel-source Already fixed
SUSE Manager Retail Branch Server 4.3 kernel-source-azure Already fixed
SUSE Manager Server 4.3 kernel-default Already fixed
SUSE Manager Server 4.3 kernel-source Already fixed
SUSE Manager Server 4.3 kernel-source-azure Already fixed
SUSE Real Time Module 15 SP5 kernel-source-rt Not affected
openSUSE Leap 15.5 kernel-source Already fixed
openSUSE Leap 15.5 kernel-source-azure Already fixed
openSUSE Leap 15.5 kernel-source-rt Not affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise Desktop 15 SP4 kernel-default Already fixed
SUSE Linux Enterprise Desktop 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-default Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source-azure Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2 kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2 kernel-source-azure Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-default Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3 kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3 kernel-source-azure Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS kernel-default Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-default Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 15 SP4 kernel-default Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4 kernel-source-azure Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-source Already fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-source Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP2 kernel-source Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 kernel-source Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 kernel-default Already fixed
SUSE Linux Enterprise Module for Basesystem 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP2 kernel-source Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP3 kernel-source Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP4 kernel-default Already fixed
SUSE Linux Enterprise Module for Development Tools 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise Module for Public Cloud 15 SP4 kernel-source-azure Already fixed
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-default Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-source Not affected
SUSE Linux Enterprise Server 12 SP5 kernel-default Not affected
SUSE Linux Enterprise Server 12 SP5 kernel-source Not affected
SUSE Linux Enterprise Server 12 SP5 kernel-source-azure Not affected
SUSE Linux Enterprise Server 12 SP5-LTSS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP5-LTSS kernel-source-azure Not affected
SUSE Linux Enterprise Server 15 SP2 kernel-source Not affected
SUSE Linux Enterprise Server 15 SP2 kernel-source-azure Not affected
SUSE Linux Enterprise Server 15 SP2-LTSS kernel-default Not affected
SUSE Linux Enterprise Server 15 SP2-LTSS kernel-source Not affected
SUSE Linux Enterprise Server 15 SP3 kernel-source Not affected
SUSE Linux Enterprise Server 15 SP3 kernel-source-azure Not affected
SUSE Linux Enterprise Server 15 SP3-LTSS kernel-default Not affected
SUSE Linux Enterprise Server 15 SP3-LTSS kernel-source Not affected
SUSE Linux Enterprise Server 15 SP4 kernel-default Already fixed
SUSE Linux Enterprise Server 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise Server 15 SP4 kernel-source-azure Already fixed
SUSE Linux Enterprise Server 15 SP4-LTSS kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source-azure Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-source-azure Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-source-azure Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-default Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-source-azure Already fixed
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 kernel-source Not affected
SUSE CaaS Platform 4.0 kernel-default Not affected
SUSE CaaS Platform 4.0 kernel-source Not affected
SUSE CaaS Platform Toolchain 3 kernel-source Not affected
SUSE Enterprise Storage 6 kernel-source Not affected
SUSE Enterprise Storage 7 kernel-default Not affected
SUSE Enterprise Storage 7 kernel-source Not affected
SUSE Enterprise Storage 7 kernel-source-azure Not affected
SUSE Enterprise Storage 7.1 kernel-default Not affected
SUSE Enterprise Storage 7.1 kernel-source Not affected
SUSE Enterprise Storage 7.1 kernel-source-azure Not affected
SUSE Linux Enterprise Desktop 11 SP4 kernel-source Not affected
SUSE Linux Enterprise Desktop 12 SP2 kernel-source Not affected
SUSE Linux Enterprise Desktop 12 SP3 kernel-source Not affected
SUSE Linux Enterprise Desktop 12 SP4 kernel-source Not affected
SUSE Linux Enterprise Desktop 15 SP1 kernel-source Not affected
SUSE Linux Enterprise Desktop 15 SP2 kernel-source Not affected
SUSE Linux Enterprise Desktop 15 SP3 kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS kernel-source Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS kernel-default Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS kernel-source Not affected
SUSE Linux Enterprise Micro 5.0 kernel-default Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 kernel-source Not affected
SUSE Linux Enterprise Module for Development Tools 15 SP1 kernel-source Not affected
SUSE Linux Enterprise Module for Public Cloud 15 SP2 kernel-source-azure Not affected
SUSE Linux Enterprise Module for Public Cloud 15 SP3 kernel-source-azure Not affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT kernel-source Not affected
SUSE Linux Enterprise Real Time 12 SP5 kernel-source-rt Not affected
SUSE Linux Enterprise Real Time 15 SP2 kernel-source Not affected
SUSE Linux Enterprise Real Time 15 SP3 kernel-default Not affected
SUSE Linux Enterprise Real Time 15 SP3 kernel-source Not affected
SUSE Linux Enterprise Real Time 15 SP3 kernel-source-rt Already fixed
SUSE Linux Enterprise Real Time 15 SP4 kernel-source Already fixed
SUSE Linux Enterprise Real Time 15 SP4 kernel-source-rt Already fixed
SUSE Linux Enterprise Server 11 SP4 kernel-source Not affected
SUSE Linux Enterprise Server 11 SP4-LTSS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP2 kernel-source Not affected
SUSE Linux Enterprise Server 12 SP2-BCL kernel-default Not affected
SUSE Linux Enterprise Server 12 SP2-BCL kernel-source Not affected
SUSE Linux Enterprise Server 12 SP2-ESPOS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP2-LTSS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP3 kernel-source Not affected
SUSE Linux Enterprise Server 12 SP3-BCL kernel-source Not affected
SUSE Linux Enterprise Server 12 SP3-ESPOS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP3-LTSS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP4 kernel-source Not affected
SUSE Linux Enterprise Server 12 SP4-ESPOS kernel-default Not affected
SUSE Linux Enterprise Server 12 SP4-ESPOS kernel-source Not affected
SUSE Linux Enterprise Server 12 SP4-LTSS kernel-default Not affected
SUSE Linux Enterprise Server 12 SP4-LTSS kernel-source Not affected
SUSE Linux Enterprise Server 15 SP1 kernel-source Not affected
SUSE Linux Enterprise Server 15 SP1-BCL kernel-source Not affected
SUSE Linux Enterprise Server 15 SP1-LTSS kernel-default Not affected
SUSE Linux Enterprise Server 15 SP1-LTSS kernel-source Not affected
SUSE Linux Enterprise Server 15 SP2-BCL kernel-source Not affected
SUSE Linux Enterprise Server 15 SP3-BCL kernel-source Not affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kernel-default Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kernel-source Not affected
SUSE Manager Proxy 4.0 kernel-source Not affected
SUSE Manager Proxy 4.1 kernel-source Not affected
SUSE Manager Proxy 4.1 kernel-source-azure Not affected
SUSE Manager Proxy 4.2 kernel-default Not affected
SUSE Manager Proxy 4.2 kernel-source Not affected
SUSE Manager Proxy 4.2 kernel-source-azure Not affected
SUSE Manager Retail Branch Server 4.0 kernel-source Not affected
SUSE Manager Retail Branch Server 4.1 kernel-source Not affected
SUSE Manager Retail Branch Server 4.1 kernel-source-azure Not affected
SUSE Manager Retail Branch Server 4.2 kernel-default Not affected
SUSE Manager Retail Branch Server 4.2 kernel-source Not affected
SUSE Manager Retail Branch Server 4.2 kernel-source-azure Not affected
SUSE Manager Server 4.0 kernel-source Not affected
SUSE Manager Server 4.1 kernel-source Not affected
SUSE Manager Server 4.1 kernel-source-azure Not affected
SUSE Manager Server 4.2 kernel-default Not affected
SUSE Manager Server 4.2 kernel-source Not affected
SUSE Manager Server 4.2 kernel-source-azure Not affected
SUSE OpenStack Cloud 7 kernel-source Not affected
SUSE OpenStack Cloud 8 kernel-source Not affected
SUSE OpenStack Cloud 9 kernel-default Not affected
SUSE OpenStack Cloud 9 kernel-source Not affected
SUSE OpenStack Cloud Crowbar 8 kernel-source Not affected
SUSE OpenStack Cloud Crowbar 9 kernel-default Not affected
SUSE OpenStack Cloud Crowbar 9 kernel-source Not affected
SUSE Real Time Module 15 SP3 kernel-source-rt Already fixed
SUSE Real Time Module 15 SP4 kernel-source-rt Already fixed
openSUSE Leap 15.3 kernel-source Not affected
openSUSE Leap 15.3 kernel-source-azure Not affected
openSUSE Leap 15.3 kernel-source-rt Not affected
openSUSE Leap 15.4 kernel-source Already fixed
openSUSE Leap 15.4 kernel-source-azure Already fixed
openSUSE Leap 15.4 kernel-source-rt Already fixed
Products at an unknown state of their lifecycle.
SUSE Linux Enterprise Server LTSS Extended Security 12-SP5 kernel-source Not affected
SUSE Linux Enterprise Server LTSS Extended Security 12-SP5 kernel-source-azure Not affected


SUSE Timeline for this CVE

CVE page created: Mon May 1 16:00:06 2023
CVE page last modified: Tue Nov 12 19:39:11 2024