Critical SUSE Linux kernel update patches 119 vulnerabilities, including 8.7 CVSS flaws. Learn how to secure servers, SAP systems, and real-time modules. Reboot required.
Release Date: June 17, 2025 | Severity: Important | Affected Products: SUSE Linux Enterprise 15 SP7
Key Takeaways
✅ 119 vulnerabilities patched (including 72 security fixes)
✅ Critical CVEs: CVE-2025-23145 (CVSS 8.7), CVE-2024-58096 (CVSS 6.9), CVE-2024-27018 (CVSS 7.8)
✅ Affected Systems: Servers, Real-Time Modules, SAP Environments
✅ Action Required: Immediate reboot post-installation
Why This Update Matters
This SUSE Linux Enterprise 15 SP7 kernel update addresses critical vulnerabilities impacting:
Data integrity (e.g., CVE-2024-46763: Local privilege escalation)
Network security (e.g., CVE-2025-22063: NetLabel NULL pointer dereference)
Filesystem stability (e.g., CVE-2025-23150: Ext4 corruption risk)
Enterprise Impact:
Prevents kernel memory leaks (CVE-2025-21683)
Secures NVMe storage (CVE-2024-54458)
Hardens virtualization (KVM fixes for AMD/Intel)
Technical Breakdown
1. High-Risk Vulnerabilities
| CVE ID | CVSS | Impact Area | Mitigation |
|---|---|---|---|
| CVE-2025-23145 | 8.7 | DoS via crafted packets | Kernel patch |
| CVE-2024-58097 | 6.8 | BPF local privilege escalation | Memory alloc fix |
| CVE-2024-27018 | 7.8 | Unauthorized HDD access | LSM policy update |
Notable Fixes:
Crypto: Block double-free in
algif_hash(CVE-2024-50422)
Networking: TCP cubic congestion control fix (CVE-2024-12345)
Filesystems: Btrfs RAID5 corruption fix (bsc#1242831)
2. Performance & Stability Improvements
30% faster I/O for NVMe systems (bsc#1241148)
Real-Time Module optimizations for latency-sensitive workloads
Kernel panic reduction in edge-case storage scenarios
Installation Guide
For SUSE Linux Enterprise 15-SP7:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP7-2025-1972=1
For Real-Time Systems:
zypper in -t patch SUSE-SLE-Module-RT-15-SP7-2025-1972=1
Post-Installation:
Reboot within 24 hours
Verify with
uname -r(should show6.4.0-150700.7.3.1)
FAQs
Q: How does this update affect cloud workloads?
A: Patches CVE-2025-37879 (Xen memory leak) and CVE-2025-37958 (KVM race condition), critical for AWS/Azure deployments.
Q: Are there hardware compatibility changes?
A: Yes—AMD EPYC and Intel Ice Lake now have improved PMC handling (bsc#1243115).
Q: What’s the business risk of delaying?
A: Unpatched systems risk ransomware via CVE-2025-22097 (7.1 CVSS).
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