CISA flags actively exploited ‘Copy Fail’ Linux kernel flaw enabling root takeover across major distros — unpatched systems may remain vulnerable to attack from Latest from Tom's Hardware on 2026-05-04 14:36 (#75CXX) CISA warns of the actively exploited Copy Fail" Linux flaw (CVE-2026-31431), enabling root access, with a public exploit released before patches were ready.
