CISA adds Linux Kernel improper check flaw CVE-2025-39682 to KEV catalog on evidence of active exploitation
CISA added one vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog on 2026-09-18 based on evidence of active exploitation: CVE-2025-39682, an Improper Check for Unusual or Exceptional Conditions flaw in the Linux Kernel. CISA describes this vulnerability type as a frequent attack vector for malicious cyber actors and a sign…