Debian Linux
CVE-2025-39795
MEDIUM
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
3DescriptionNVD
In the Linux kernel, the following vulnerability has been resolved:
block: avoid possible overflow for chunk_sectors check in blk_stack_limits()
In blk_stack_limits(), we check that the t->chunk_sectors value is a multiple of the t->physical_block_size value.
However, by finding the chunk_sectors value in bytes, we may overflow the unsigned int which holds chunk_sectors, so change the check to be based on sectors.
AnalysisAI
In the Linux kernel, the following vulnerability has been resolved: block: avoid possible overflow for chunk_sectors check in blk_stack_limits() In blk_stack_limits(), we check that the. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Technical ContextAI
This vulnerability is classified under CWE-674. In the Linux kernel, the following vulnerability has been resolved: block: avoid possible overflow for chunk_sectors check in blk_stack_limits() In blk_stack_limits(), we check that the t->chunk_sectors value is a multiple of the t->physical_block_size value. However, by finding the chunk_sectors value in bytes, we may overflow the unsigned int which holds chunk_sectors, so change the check to be based on sectors. Affected products include: Linux Linux Kernel, Debian Debian Linux.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Same weakness CWE-674 – Uncontrolled Recursion
View allSame technique Buffer Overflow
View allVendor StatusVendor
SUSE
Severity: Medium| Product | Status |
|---|---|
| Container suse/sl-micro/6.0/baremetal-os-container:2.1.3-6.35 Container suse/sl-micro/6.0/base-os-container:2.1.3-7.4 Container suse/sl-micro/6.0/kvm-os-container:2.1.3-6.31 Container suse/sl-micro/6.0/rt-os-container:2.1.3-7.36 Container suse/sl-micro/6.0/toolbox:13.2-9.1 Image SL-Micro Image SLE-Micro Image SLE-Micro-Azure Image SLE-Micro-BYOS Image SLE-Micro-BYOS-Azure Image SLE-Micro-BYOS-EC2 Image SLE-Micro-BYOS-GCE Image SLE-Micro-EC2 Image SLE-Micro-GCE | Affected |
| Image SLES-CHOST-BYOS-Aliyun Image SLES-CHOST-BYOS-Azure Image SLES-CHOST-BYOS-EC2 Image SLES-CHOST-BYOS-GCE Image SLES-CHOST-BYOS-GDC Image SLES-CHOST-BYOS-SAP-CCloud | Affected |
| SUSE Linux Enterprise High Availability Extension 16.0 | Fixed |
| SUSE Linux Enterprise Server 16.0 | Fixed |
| SUSE Linux Enterprise Server for SAP applications 16.0 | Fixed |
| SUSE Linux Micro 6.2 | Fixed |
| openSUSE Leap 16.0 | Fixed |
| SUSE Linux Enterprise Server 16.0 | Affected |
| SUSE Linux Enterprise Desktop 15 SP7 | Fixed |
| SUSE Linux Enterprise Desktop 15 SP7 | Fixed |
| SUSE Linux Enterprise High Availability Extension 15 SP7 | Fixed |
| SUSE Linux Enterprise High Availability Extension 15 SP7 | Fixed |
| SUSE Linux Enterprise High Availability Extension 16.0 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP7 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP7 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP7 | Fixed |
| SUSE Linux Enterprise Live Patching 15 SP7 | Fixed |
| SUSE Linux Enterprise Live Patching 15 SP7 | Fixed |
| SUSE Linux Enterprise Micro 5.2 | Fixed |
| SUSE Linux Enterprise Micro 5.2 | Fixed |
| SUSE Linux Enterprise Micro 5.2 | Fixed |
| SUSE Linux Enterprise Micro 5.2 | Fixed |
| SUSE Linux Enterprise Micro 5.3 | Fixed |
| SUSE Linux Enterprise Micro 5.3 | Fixed |
| SUSE Linux Enterprise Micro 5.3 | Fixed |
| SUSE Linux Enterprise Micro 5.3 | Fixed |
| SUSE Linux Enterprise Micro 5.4 | Fixed |
| SUSE Linux Enterprise Micro 5.4 | Fixed |
| SUSE Linux Enterprise Micro 5.4 | Fixed |
| SUSE Linux Enterprise Micro 5.4 | Fixed |
| SUSE Linux Enterprise Micro 5.5 | Fixed |
| SUSE Linux Enterprise Micro 5.5 | Fixed |
| SUSE Linux Enterprise Micro 5.5 | Fixed |
| SUSE Linux Enterprise Module for Basesystem 15 SP7 | Fixed |
| SUSE Linux Enterprise Module for Basesystem 15 SP7 | Fixed |
| SUSE Linux Enterprise Module for Development Tools 15 SP7 | Fixed |
| SUSE Linux Enterprise Module for Development Tools 15 SP7 | Fixed |
| SUSE Linux Enterprise Module for Legacy 15 SP7 | Fixed |
| SUSE Linux Enterprise Module for Legacy 15 SP7 | Fixed |
| SUSE Linux Enterprise Module for Public Cloud 15 SP7 | Fixed |
| SUSE Linux Enterprise Real Time 15 SP7 | Fixed |
| SUSE Linux Enterprise Server 15 SP7 | Fixed |
| SUSE Linux Enterprise Server 15 SP7 | Fixed |
| SUSE Linux Enterprise Server 15 SP7 | Fixed |
| SUSE Linux Enterprise Server 16.0 | Fixed |
| SUSE Linux Enterprise Server 16.0 | Fixed |
| SUSE Linux Enterprise Server 16.0 | Fixed |
| SUSE Linux Enterprise Server 16.0 | Fixed |
| SUSE Linux Enterprise Server 16.0 | Fixed |
| SUSE Linux Enterprise Server 16.0 | Fixed |
| SUSE Linux Enterprise Server 16.0 | Fixed |
| SUSE Linux Enterprise Server 16.0 | Fixed |
| SUSE Linux Enterprise Server 16.0 | Fixed |
| SUSE Linux Enterprise Server 16.0 | Fixed |
| SUSE Linux Enterprise Server 16.0 | Fixed |
| SUSE Linux Enterprise Server 16.1 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP7 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP7 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP7 | Fixed |
| SUSE Linux Enterprise Server for SAP applications 16.0 | Fixed |
| SUSE Linux Enterprise Server for SAP applications 16.0 | Fixed |
| SUSE Linux Enterprise Server for SAP applications 16.0 | Fixed |
| SUSE Linux Enterprise Server for SAP applications 16.0 | Fixed |
| SUSE Linux Enterprise Server for SAP applications 16.0 | Fixed |
| SUSE Linux Enterprise Server for SAP applications 16.0 | Fixed |
| SUSE Linux Enterprise Server for SAP applications 16.0 | Fixed |
| SUSE Linux Enterprise Server for SAP applications 16.0 | Fixed |
| SUSE Linux Enterprise Server for SAP applications 16.0 | Fixed |
| SUSE Linux Enterprise Server for SAP applications 16.0 | Fixed |
| SUSE Linux Enterprise Server for SAP applications 16.0 | Fixed |
| SUSE Linux Enterprise Server for SAP applications 16.1 | Fixed |
| SUSE Linux Enterprise Workstation Extension 15 SP7 | Fixed |
| SUSE Linux Enterprise Workstation Extension 15 SP7 | Fixed |
| SUSE Linux Micro 6.0 | Fixed |
| SUSE Linux Micro 6.0 | Fixed |
| SUSE Linux Micro 6.0 | Fixed |
| SUSE Linux Micro 6.1 | Fixed |
| SUSE Linux Micro 6.1 | Fixed |
| SUSE Linux Micro 6.1 | Fixed |
| SUSE Linux Micro 6.2 | Fixed |
| SUSE Linux Micro 6.2 | Fixed |
| SUSE Linux Micro 6.2 | Fixed |
| SUSE Linux Micro 6.2 | Fixed |
| SUSE Linux Micro 6.2 | Fixed |
| SUSE Real Time Module 15 SP7 | Fixed |
| openSUSE Leap 15.6 | Fixed |
| openSUSE Leap 15.6 | Fixed |
| openSUSE Leap 15.6 | Fixed |
| openSUSE Leap 15.6 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP4 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP5 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP5 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | Fixed |
| SUSE Linux Enterprise Live Patching 12 SP5 | Fixed |
| SUSE Linux Enterprise Live Patching 12 SP5 | Fixed |
| SUSE Linux Enterprise Live Patching 15 SP4 | Fixed |
| SUSE Linux Enterprise Live Patching 15 SP4 | Fixed |
| SUSE Linux Enterprise Live Patching 15 SP5 | Fixed |
| SUSE Linux Enterprise Live Patching 15 SP5 | Fixed |
| SUSE Linux Enterprise Module for Basesystem 15 SP4 | Fixed |
| SUSE Linux Enterprise Module for Basesystem 15 SP5 | Fixed |
| SUSE Linux Enterprise Module for Basesystem 15 SP6 | Fixed |
| SUSE Linux Enterprise Module for Basesystem 15 SP6 | Fixed |
| SUSE Linux Enterprise Module for Development Tools 15 SP4 | Fixed |
| SUSE Linux Enterprise Module for Development Tools 15 SP5 | Fixed |
| SUSE Linux Enterprise Module for Development Tools 15 SP6 | Fixed |
| SUSE Linux Enterprise Module for Development Tools 15 SP6 | Fixed |
| SUSE Linux Enterprise Module for Legacy 15 SP6 | Fixed |
| SUSE Linux Enterprise Module for Legacy 15 SP6 | Fixed |
| SUSE Linux Enterprise Module for Public Cloud 15 SP5 | Fixed |
| SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE | Fixed |
| SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE | Fixed |
| SUSE Linux Enterprise Server 12 SP5 | Fixed |
| SUSE Linux Enterprise Server 12 SP5 | Fixed |
| SUSE Linux Enterprise Server 12 SP5-LTSS | Fixed |
| SUSE Linux Enterprise Server 12 SP5-LTSS | Fixed |
| SUSE Linux Enterprise Server 12 SP5-LTSS | Fixed |
| SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security | Fixed |
| SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security | Fixed |
| SUSE Linux Enterprise Server 15 SP4 | Fixed |
| SUSE Linux Enterprise Server 15 SP4-LTSS | Fixed |
| SUSE Linux Enterprise Server 15 SP4-LTSS | Fixed |
| SUSE Linux Enterprise Server 15 SP5 | Fixed |
| SUSE Linux Enterprise Server 15 SP5 | Fixed |
| SUSE Linux Enterprise Server 15 SP5-LTSS | Fixed |
| SUSE Linux Enterprise Server 15 SP5-LTSS | Fixed |
| SUSE Linux Enterprise Server 15 SP6 | Fixed |
| SUSE Linux Enterprise Server 15 SP6 | Fixed |
| SUSE Linux Enterprise Server 15 SP6 | Fixed |
| SUSE Linux Enterprise Server 15 SP6-LTSS | Fixed |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | Fixed |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | Fixed |
| SUSE Manager Proxy 4.3 | Fixed |
| SUSE Manager Proxy LTS 4.3 | Fixed |
| SUSE Manager Proxy LTS 4.3 | Fixed |
| SUSE Manager Retail Branch Server 4.3 | Fixed |
| SUSE Manager Retail Branch Server LTS 4.3 | Fixed |
| SUSE Manager Retail Branch Server LTS 4.3 | Fixed |
| SUSE Manager Server 4.3 | Fixed |
| SUSE Manager Server LTS 4.3 | Fixed |
| SUSE Manager Server LTS 4.3 | Fixed |
| SUSE CaaS Platform 4.0 | Fixed |
| SUSE Enterprise Storage 6 | Fixed |
| SUSE Enterprise Storage 7 | Fixed |
| SUSE Enterprise Storage 7.1 | Fixed |
| SUSE Linux Enterprise Desktop 11 SP4 | Fixed |
| SUSE Linux Enterprise Desktop 12 SP2 | Fixed |
| SUSE Linux Enterprise Desktop 12 SP4 | Fixed |
| SUSE Linux Enterprise Desktop 15 | Fixed |
| SUSE Linux Enterprise Desktop 15 SP1 | Fixed |
| SUSE Linux Enterprise Desktop 15 SP2 | Fixed |
| SUSE Linux Enterprise Desktop 15 SP3 | Fixed |
| SUSE Linux Enterprise Desktop 15 SP4 | Fixed |
| SUSE Linux Enterprise Desktop 15 SP5 | Fixed |
| SUSE Linux Enterprise Desktop 15 SP6 | Fixed |
| SUSE Linux Enterprise Desktop 15 SP6 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP1 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP2 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP3 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP6 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP6 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15 SP6 | Fixed |
| SUSE Linux Enterprise High Performance Computing 15-ESPOS | Fixed |
| SUSE Linux Enterprise High Performance Computing 15-LTSS | Fixed |
| SUSE Linux Enterprise Live Patching 15 SP3 | Fixed |
| SUSE Linux Enterprise Live Patching 15 SP3 | Fixed |
| SUSE Linux Enterprise Live Patching 15 SP6 | Fixed |
| SUSE Linux Enterprise Live Patching 15 SP6 | Fixed |
| SUSE Linux Enterprise Micro 5.0 | Fixed |
| SUSE Linux Enterprise Micro 5.1 | Fixed |
| SUSE Linux Enterprise Micro 5.1 | Fixed |
| SUSE Linux Enterprise Micro 5.1 | Fixed |
| SUSE Linux Enterprise Micro 5.1 | Fixed |
| SUSE Linux Enterprise Module for Basesystem 15 | Fixed |
| SUSE Linux Enterprise Module for Basesystem 15 SP1 | Fixed |
| SUSE Linux Enterprise Module for Basesystem 15 SP2 | Fixed |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | Fixed |
| SUSE Linux Enterprise Module for Development Tools 15 | Fixed |
| SUSE Linux Enterprise Module for Development Tools 15 SP1 | Fixed |
| SUSE Linux Enterprise Module for Development Tools 15 SP2 | Fixed |
| SUSE Linux Enterprise Module for Development Tools 15 SP3 | Fixed |
| SUSE Linux Enterprise Module for Public Cloud 15 SP6 | Fixed |
| SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT | Fixed |
| SUSE Linux Enterprise Real Time 15 SP2 | Fixed |
| SUSE Linux Enterprise Real Time 15 SP3 | Fixed |
| SUSE Linux Enterprise Real Time 15 SP3 | Fixed |
| SUSE Linux Enterprise Real Time 15 SP4 | Fixed |
| SUSE Linux Enterprise Real Time 15 SP4 | Fixed |
| SUSE Linux Enterprise Real Time 15 SP5 | Fixed |
| SUSE Linux Enterprise Real Time 15 SP6 | Fixed |
| SUSE Linux Enterprise Server 11 SP4 | Fixed |
| SUSE Linux Enterprise Server 11 SP4 LTSS | Fixed |
| SUSE Linux Enterprise Server 11 SP4 LTSS | Fixed |
| SUSE Linux Enterprise Server 11 SP4-LTSS | Fixed |
| SUSE Linux Enterprise Server 12 SP2 | Fixed |
| SUSE Linux Enterprise Server 12 SP2-BCL | Fixed |
| SUSE Linux Enterprise Server 12 SP2-ESPOS | Fixed |
| SUSE Linux Enterprise Server 12 SP2-LTSS | Fixed |
| SUSE Linux Enterprise Server 12 SP2-LTSS | Fixed |
| SUSE Linux Enterprise Server 12 SP4 | Fixed |
| SUSE Linux Enterprise Server 12 SP4-ESPOS | Fixed |
| SUSE Linux Enterprise Server 12 SP4-LTSS | Fixed |
| SUSE Linux Enterprise Server 12 SP4-LTSS | Fixed |
| SUSE Linux Enterprise Server 15 | Fixed |
| SUSE Linux Enterprise Server 15 SP1 | Fixed |
| SUSE Linux Enterprise Server 15 SP1-BCL | Fixed |
| SUSE Linux Enterprise Server 15 SP1-LTSS | Fixed |
| SUSE Linux Enterprise Server 15 SP1-LTSS | Fixed |
| SUSE Linux Enterprise Server 15 SP2 | Fixed |
| SUSE Linux Enterprise Server 15 SP2-BCL | Fixed |
| SUSE Linux Enterprise Server 15 SP2-LTSS | Fixed |
| SUSE Linux Enterprise Server 15 SP2-LTSS | Fixed |
| SUSE Linux Enterprise Server 15 SP3 | Fixed |
| SUSE Linux Enterprise Server 15 SP3-BCL | Fixed |
| SUSE Linux Enterprise Server 15 SP3-LTSS | Fixed |
| SUSE Linux Enterprise Server 15 SP3-LTSS | Fixed |
| SUSE Linux Enterprise Server 15-LTSS | Fixed |
| SUSE Linux Enterprise Server 15-LTSS | Fixed |
| SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP1 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP2 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | Fixed |
| SUSE Linux Enterprise Workstation Extension 15 SP6 | Fixed |
| SUSE Linux Enterprise Workstation Extension 15 SP6 | Fixed |
| SUSE Manager Proxy 4.0 | Fixed |
| SUSE Manager Proxy 4.1 | Fixed |
| SUSE Manager Proxy 4.2 | Fixed |
| SUSE Manager Retail Branch Server 4.0 | Fixed |
| SUSE Manager Retail Branch Server 4.1 | Fixed |
| SUSE Manager Retail Branch Server 4.2 | Fixed |
| SUSE Manager Server 4.0 | Fixed |
| SUSE Manager Server 4.1 | Fixed |
| SUSE Manager Server 4.2 | Fixed |
| SUSE OpenStack Cloud 7 | Fixed |
| SUSE OpenStack Cloud 9 | Fixed |
| SUSE OpenStack Cloud Crowbar 9 | Fixed |
| SUSE Real Time Module 15 SP3 | Fixed |
| SUSE Real Time Module 15 SP4 | Fixed |
| SUSE Real Time Module 15 SP5 | Fixed |
| SUSE Real Time Module 15 SP6 | Fixed |
| openSUSE Leap 15.3 | Fixed |
| openSUSE Leap 15.3 | Fixed |
| openSUSE Leap 15.4 | Fixed |
| openSUSE Leap 15.4 | Fixed |
| openSUSE Leap 15.4 | Fixed |
| openSUSE Leap 15.5 | Fixed |
| openSUSE Leap 15.5 | Fixed |
| openSUSE Leap 15.5 | Fixed |
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External POC / Exploit Code
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