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CISA Flags Three Linux Kernel Vulnerabilities Exploited in the Wild

CISA has added three Linux kernel flaws — including CVE-2025-39682 at CVSS 9.8 — to its Known Exploited Vulnerabilities catalogue, confirming active in-the-wild exploitation and triggering mandatory federal patching deadlines that European organisations should mirror as a risk benchmark.

Summary written by editorial AI · Source link below

Filed by THN (Feedburner)1 min readCVE-2025-39682Read at source ↗
CVSS9.8criticalCVE-2025-39682

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added three security flaws impacting the Linux kernel to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.

The vulnerabilities are listed below -

CVE-2025-39682 (CVSS score: 9.8) - An improper check for unusual or exceptional conditions vulnerability in the TLS receive path

Editorial Analysis

Why it matters

KEV listing confirms real-world attacks using these kernel flaws; European enterprises subject to NIS2 should treat CISA's KEV as an early-warning proxy for their own patching obligations.

What to do

Patch all Linux systems against these three CVEs immediately and document remediation timelines for regulatory audit readiness.

Board brief

Three Linux kernel vulnerabilities are confirmed under active attack — immediate patching is required to prevent full system compromise.

Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.

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