SUSE releases a critical update for iotop (CVE-2025-1699) fixing kernel.task_delayacct detection. Learn how to patch SUSE Linux Enterprise 15 SP3-SP6, openSUSE Leap 15.6, and SAP/HPC systems for optimal performance.
Why This Update Matters for Linux Admins
A newly released moderate-rated patch for iotop addresses a critical system monitoring flaw affecting 20+ SUSE Linux distributions, including enterprise-grade deployments like:
✔ SUSE Linux Enterprise Server (SP3-SP6)
✔ SAP-optimized deployments
✔ High Performance Computing (HPC) environments
✔ SUSE Manager infrastructure
Key Fix: Resolves bsc#1241104 – Improves detection of kernel.task_delayacct sysctl values, ensuring accurate I/O monitoring for:
Resource allocation analysis
Performance benchmarking
Storage subsystem diagnostics
Affected Systems & Patch Instructions
Critical Products Requiring Updates
| Product Family | Patch Command |
|---|---|
| openSUSE Leap 15.6 | zypper in -t patch openSUSE-SLE-15.6-2025-1699=1 |
| SUSE Linux Enterprise Server 15 SP6 | zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-2025-1699=1 |
| SAP Applications (SP3-SP6) | zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2025-1699=1 |
| HPC/ESPOS/LTSS Environments | [See full table below] |
Recommended Update Methods:
YaST Online Update (GUI)
Zypper Patch (CLI)
Automated Patch Management (SUSE Manager)
Technical Impact & Enterprise Considerations
This single-fix update (iotop-0.6-150000.4.7.3) specifically enhances:
🔹 Kernel-level task monitoring for storage I/O bottlenecks
🔹 Compatibility with delayacct-enabled workloads
🔹 System administrator visibility into process-level disk usage
High-Value Use Cases:
SAP HANA deployments requiring precise I/O accounting
HPC clusters with shared storage resources
Cloud infrastructure running SUSE-based VMs
Frequently Asked Questions (FAQ)
Q: Is this patch mandatory for all users?
A: Recommended for systems where iotop is used for performance tuning or capacity planning.
Q: Does this affect non-SUSE distributions?
A: No – this is a SUSE-specific backport. Upstream Linux kernels may require alternative fixes.
Q: How to verify successful patch installation?
A: Run rpm -q iotop and confirm version 0.6-150000.4.7.3 is present.
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