CVE-2026-97559: CVE-2026-97559 - In the Linux kernel, the following vulnerability has been resolved: smb: client: fail DACL rewrite when the new DACL ex
In the Linux kernel, the following vulnerability has been resolved: smb: client: fail DACL rewrite when the new DACL exceeds 64K replace_sids_and_copy_aces() and set_chmod_dacl() accumulate the size of the DACL they build in a u16. This is a critical threat mapped to CVE-2026-97559; security leaders should validate...
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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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Related High-Priority Advisories
CISA Adds Two Known Exploited Vulnerabilities to Catalog
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CVE-2026-97569 - In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Prevent queue stop with deferred completio