#RDS

2 tutorials tagged with "RDS"

ZcopyReaper Is in RDS Zerocopy. User Namespaces Will Not Save You

CVE-2026-43502 is a local root in the RDS zerocopy path, present since Linux 4.17. Mainline fix is 7.1-rc3. Ubuntu lists 7.0.0-28, 6.8.0-136, and 5.15.0-186. Restricting user namespaces does nothing.

security

PinTheft CVE-2026-43494: Linux Kernel Privilege Escalation — What Server Admins Must Know

A deep dive into the PinTheft vulnerability (CVE-2026-43494) that grants local root access through a chain of bugs in the Linux kernel's RDS and io_uring subsystems. Learn how to detect exposure, apply patches, and harden your servers.

security