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PASSEDcache / pending_restart

Memcached 1.6 Running Outdated Binary — Restart Required After Update on CentOS 9 Stream

Memcached 1.6 package was updated but the service was not restarted. Running old binary with known vulnerability. Needs-restarting flag set.

Pattern
PERFORMANCE_DEGRADATION
Severity
MEDIUM
Confidence
51%
Remediation
Auto-Heal

Test Results

MetricExpectedActualResult
Pattern RecognitionPERFORMANCE_DEGRADATIONPERFORMANCE_DEGRADATION
Severity AssessmentMEDIUMMEDIUM
Incident CorrelationN/ANone
Cascade EscalationN/ANo
RemediationAuto-Heal — Corax resolves autonomously

Scenario Conditions

CentOS 9 Stream. Memcached 1.6 package updated via apt/yum. Process still running old binary (deleted). needs-restarting check: true. Known CVE in running version.

Injected Error Messages (1)

Memcached 1.6 degraded on CentOS 9 Stream — running deleted binary, package updated but not restarted, response time degraded, /proc/16261/exe points to deleted file, needs-restarting: true

Neural Engine Root Cause Analysis

Performance degradation detected — response times are significantly above baseline, indicating resource pressure, increased load, or infrastructure issues.

Remediation Plan

Investigate server resource usage (CPU, memory, disk I/O). Check for background jobs or traffic spikes. Optimize slow queries or endpoints if specific to one service.
Tested: 2026-04-02Monitors: 1 | Incidents: 1Test ID: cmnhnqrww07rolig7d876m0k5