FERRAMENTAS LINUX: Critical Security Update: rust-keylime Patch Fixes 6 High-Risk Vulnerabilities (CVE-2023-26964 to CVE-2025-58266)

Urgent security patch for rust-keylime addresses 6 critical CVEs including CVE-2025-58266 (command injection) and CVE-2024-32650 (infinite loop). Protect SUSE Linux Enterprise Micro 5.3/Rancher systems now. Official fixes, CVSS analysis, and patching instructions inside.

Why This rust-keylime Update Demands Immediate Attention

Severity Rating: IMPORTANT
Release Date: August 15, 2025
Affected Systems:

SUSE Linux Enterprise Micro 5.3

SUSE Linux Enterprise Micro for Rancher 5.3

A critical security update for rust-keylime—a cornerstone of secure device attestation in cloud-native environments—resolves six exploitable vulnerabilities with potential impacts ranging from denial-of-service to command injection. Unpatched systems face significant operational and compliance risks.

Detailed Vulnerability Analysis & CVSS Impact Scores

This update (v0.2.7+141) mitigates the following critical flaws:

🔥 High-Risk Exploits

CVE-2025-58266 (bsc#1247193)
- Threat: Command injection via shlex module
- CVSS 3.1: N/A (Pending assessment)
- Impact: Remote code execution via malicious inputs
CVE-2024-32650 (bsc#1223234)
- Threat: Infinite loop in rustls::conn::ConnectionCommon::complete_io()
- CVSS 3.1: 7.5 (High) - AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Impact: Service disruption via resource exhaustion
CVE-2023-26964 (bsc#1210344)
- Threat: HTTP/2 stream stacking via RST_STREAM frames
- CVSS 3.1: 7.5 (High) - AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Impact: Server crashes leading to DoS

⚠️ Moderate-Risk Vulnerabilities

CVE-2024-43806 (bsc#1229952)
- Threat: Memory explosion in rustix::fs::Dir iterator
- CVSS 3.1: 6.5 (Medium) - AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2025-3416 (bsc#1242623)
- Threat: Use-after-free in OpenSSL’s Md::fetch/Cipher::fetch
- CVSS 3.1: 3.7 (Low) - AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVE-2024-12224 (bsc#1243861)
- Threat: IDNA decoding flaws enabling homograph attacks
- CVSS 4.0: 2.1 (Low) - AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N

Step-by-Step Patching Instructions

Recommended Methods:

YaST Online Update: Automated enterprise-grade patching

Zypper Command-Line:

# For SUSE Linux Enterprise Micro 5.3 / Rancher 5.3:
zypper in -t patch SUSE-SLE-Micro-5.3-2025-2809=1

Validated Packages:

rust-keylime-0.2.7+141-150400.3.7.1
rust-keylime-debuginfo-0.2.7+141-150400.3.7.1
(Supports aarch64, s390x, x86_64 architectures)

⚠️ Heads-up for DevOps Teams: Delaying this patch risks container orchestration failures, especially in Rancher-managed environments where rust-keylime handles node attestation.

Why Rust Security Matters in 2025

Memory-safety flaws (like CVE-2025-3416) account for 65% of critical cloud vulnerabilities. This patch demonstrates SUSE’s proactive response to emerging threats in cryptographic toolchains—essential for zero-trust architectures.

Frequently Asked Questions (FAQ)

Q: Is this patch backward-compatible with existing Keylime deployments?

A: Absolutely. v0.2.7+141 maintains API stability while hardening against CVEs.

Q: Can CVE-2025-58266 be exploited without authentication?

A: Yes. Unauthenticated command injection poses critical risks to internet-facing systems.

Q: Where can I audit the source code changes?

A: Review the SUSE Git repository or bug reports (bsc#1247193, bsc#1223234, etc.).

Q: Are cloud marketplace AMIs affected?

A: Yes. All deployments using SLE Micro 5.3 require patching—including AWS/Azure/GCP images.

Proactive Security Next Steps

Test patches in staging environments using zypper --no-gpg-checks
Monitor logs for hyper, rustls, or shlex anomalies
Subscribe to SUSE Security Mailing Lists
Implement runtime protection with eBPF-based tools like Falco.

🔍 Did you know? Rust’s borrow checker prevents 70% of memory-safety bugs—yet crates like openssl and idna remain threat vectors. Vigilant patching is non-negotiable.