Linux Kernel — Four Public Local-Root Vulnerabilities
Classification: Severe, Solution: Official Fix, Exploit Maturity: Functional, CVSSv3.1: 8.8, CVEs: CVE-2026-80844, CVE-2026-81000, CVE-2026-68121, CVE-2026-74469, Summary: A coordinated disclosure has made public four Linux kernel vulnerabilities capable of local privilege escalation to root: DirtyAH6 (CVE-2026-80844), TUNderflow (CVE-2026-81000), PPPoEject (CVE-2026-68121) and DiagSpill (CVE-2026-74469). Public proof-of-concept exploits are available. The first three generally require…
EPSS 0.00 CVSS 8.8 CVE-2026-68121 CVE-2026-74469 CVE-2026-80844 CVE-2026-81000 Linux FI