CISA warns of active exploitation of three Linux kernel flaws

The U.S. Cybersecurity and Infrastructure Security Agency warned on September 18–21, 2026, that hackers are actively exploiting three Linux kernel vulnerabilities, including one rated critical, and added them to its Known Exploited Vulnerabilities catalog.

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CISA Adds Three Linux Kernel Vulnerabilities to the KEV Catalog: What You Need to Know On September 18, 2026, the Cybersecurity and Infrastructure Security Agency added three Linux kernel vulnerabilit

mastodon:infosec-exchangeother8d ago kagi ↗

CISA Adds Three Linux Kernel Vulnerabilities to the KEV Catalog: What You Need to Know On September 18, 2026, the Cybersecurity and Infrastructure Security Agency added three Linux kernel vulnerabilities to its Known Exploited Vulnerabilities catalog. That single sentence carries more weight than it might first appear to. The KEV catalog is not a list of theoretical risks or things th... https://

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning that hackers are exploiting three Linux kernel vulnerabilities, one of them rated critical. https://www. bleepingcomputer.co

mastodon:infosec-exchangeother8d ago kagi ↗

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning that hackers are exploiting three Linux kernel vulnerabilities, one of them rated critical. https://www. bleepingcomputer.com/news/secu rity/cisa-alerts-of-active-exploitation-of-three-linux-kernel-flaws/