CIFSwitch Linux Kernel Flaw Archives - TuxCare

Check the status of CVEs. Learn More.

 CVE Status (opens in new tab)

php2shell patches (CVE-2026-109618 and CVE-2026-109619) for EOL PHP are out now. With sales replies slower than usual due to high demand, the fastest route to patched packages is to buy ELS for Runtimes online (opens in new tab). Read the patch FAQ

Blog Series

CIFSwitch Linux Kernel Flaw

CIFSwitch Linux Kernel Flaw Grants...

May 28, 2026 – 7 min read Chris DeMars, Senior Developer Advocate The Short Version What: A new Linux local privilege escalation called CIFSwitch chains a missing kernel-side check on...