Gbhackers iconGbhackersSep 18, 2026

Linux Kernel Hit by 4 LPE Flaws Enabling Attackers to Gain Root Shell

Linux administrators are being urged to patch four newly disclosed local privilege escalation (LPE) vulnerabilities, collectively known as DirtyAH6, TUNderflow, PPPoEject, and DiagSpill. These vulnerabilities can allow attackers to corrupt kernel memory and gain root-level access on affected systems.

Linux Kernel Hit by 4 LPE Flaws Enabling Attackers to Gain Root Shell

Share this story

Send the public story page.

Useful takeaways from this story.

Linux administrators are being urged to patch four newly disclosed local privilege escalation (LPE) vulnerabilities, collectively known as DirtyAH6, TUNderflow, PPPoEject, and DiagSpill.

These vulnerabilities can allow attackers to corrupt kernel memory and gain root-level access on affected systems.

The vulnerabilities are tracked under the following CVE identifiers: CVE-2026-80844, CVE-2026-81000, CVE-2026-68121, and CVE-2026-74469.

Building the complete brief

The page is ready to read now. The fuller skim-friendly version will appear here automatically.

The useful part

Linux administrators are being urged to patch four newly disclosed local privilege escalation (LPE) vulnerabilities, collectively known as DirtyAH6, TUNderflow, PPPoEject, and DiagSpill. These vulnerabilities can allow attackers to corrupt kernel memory and gain root-level access on affected systems. The vulnerabilities are tracked under the following CVE identifiers: CVE-2026-80844, CVE-2026-81000, CVE-2026-68121, and CVE-2026-74469.

Keep reading in the app

Open the app view to save this story, compare related coverage, and continue from the same source.

Open in app