CVE-2026-93288: CVE-2026-93288 - In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_log: wait for rcu grace period
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state sashiko reports: "nfnl_log_net_exit() calls nf_log_unset(), which clears the logger pointer without an RCU grace period. This is a high threat mapped to CVE-2026-93288;...
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SecOps Recommended Triage Checklist
- 01.Scope & Asset Discovery: Query vulnerability scanners (e.g. Tenable) and software bill of materials (SBOM) to pinpoint affected packages and services.
- 02.Vendor Patch Application: Prioritize deployment of official security patches released by upstream vendors.
- 03.Compensating Defense Controls: If patch cannot be applied immediately, enforce strict firewall/WAF boundaries and isolate target instances.
- 04.Endpoint Behavioral Monitoring: Audit telemetry via EDR (e.g. CrowdStrike) for abnormal child processes or privilege escalation attempts.
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