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CISA Warns of Linux Kernel Vulnerabilities Actively Exploited in Attacks
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has warned that attackers are actively exploiting three Linux kernel vulnerabilities, creating an urgent patching and investigation deadline. CISA added CVE-2025-39682, CVE-2026-53266, and CVE-2025-39964 to its Known Exploited Vulnerabilities catalog on September 18, 2026, with remediation required by September 21 under Binding Operational Directive 26-04. The KEV […] The post CISA Warns of Linux Kernel Vulnerabilities Actively Exploited in Attacks appeared first on Cyber Security News.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has warned that attackers are actively exploiting three Linux kernel vulnerabilities, creating an urgent patching and investigation deadline. CISA added CVE-2025-39682, CVE-2026-53266, and CVE-2025-39964 to its Known Exploited Vulnerabilities catalog on September 18, 2026, with remediation required by September 21 under Binding Operational Directive 26-04. The KEV catalog tracks vulnerabilities exploited in real-world attacks, while BOD 26-04 requires covered federal…
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