SUSE has released a moderate-rated security update for Mozilla-NSS, addressing FIPS compliance issues in RSA keygen and signature verification. Learn how to patch SUSE Linux Enterprise 15 SP7 systems and ensure cryptographic security.
Why This Update Matters for Enterprise Security
A newly released patch for Mozilla-NSS (Network Security Services) resolves critical FIPS 140-2/3 compliance issues affecting SUSE Linux Enterprise 15 SP7 and related modules.
This update prevents false rejections during cryptographic key generation and ensures proper validation of RSA signatures with PKCS padding.
Key Fixes in This Update:
✔ FIPS Keygen Validation Fix – Prevents incorrect rejection of valid cryptographic keys due to improper parameter checks.
✔ RSA Signature Verification Compliance – Ensures FIPS approval for legacy modulus use in PKCS-padded signatures (Bug #1222834).
Affected Products:
SUSE Linux Enterprise Server 15 SP7
SUSE Linux Enterprise Desktop 15 SP7
SUSE Linux Enterprise Real Time 15 SP7
SUSE Linux Enterprise Server for SAP Applications 15 SP7
Certifications Module 15-SP7
How to Install the Mozilla-NSS Update
To apply this patch, use SUSE’s recommended methods:
Option 1: Automated Update via YaST or Zypper
zypper patch Or apply the update manually:
Option 2: Manual Patch Installation
For Certifications Module 15-SP7, run:
zypper in -t patch SUSE-SLE-Module-Certifications-15-SP7-2025-820=1
Updated Package List (AArch64, x86_64, ppc64le, s390x)
The following packages receive security enhancements:
Core Libraries:
libsoftokn3(v3.101.2)libfreebl3(v3.101.2)
Debug & Development Tools:
mozilla-nss-devel,mozilla-nss-debuginfo
System Utilities:
mozilla-nss-sysinit,mozilla-nss-tools
32-bit Support (x86_64 only):
mozilla-nss-32bit,libfreebl3-32bit
Full changelog: SUSE Bug #1222834
Why FIPS Compliance Matters for Your Business
FIPS (Federal Information Processing Standards) validation is critical for:
🔒 Government & Financial Institutions – Required for secure transactions.
🛡️ Enterprise Security – Ensures cryptographic integrity.
🌐 Global Compliance – Meets strict regulatory standards (e.g., HIPAA, PCI-DSS).
This update ensures your SUSE Linux systems remain compliant with the latest cryptographic best practices.
FAQs: Mozilla-NSS Security Patch
❓ Is this update mandatory?
Yes, if your systems require FIPS-validated cryptographic operations.
❓ Does this affect performance?
No—the patch only modifies validation logic, not performance.
❓ What happens if I skip this update?
Risk of false rejection of valid keys/signatures, potentially disrupting secure operations.
Final Recommendations
✅ Apply this patch immediately if using FIPS mode.
✅ Verify installation with:
rpm -qa | grep mozilla-nss
✅ Monitor logs for cryptographic errors post-update.
For enterprise support, consult SUSE’s official documentation or a Linux security specialist.
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