A new Linux kernel vulnerability, tracked by Trend Micro’s Zero Day Initiative (ZDI) as ZDI-CAN-33367, is the same kind of bug as Dirty Frag and Fragnesia.
AlmaLinux 8, 9, and 10 are affected. Patched kernels are available for testing!
https://almalinux.org/blog/2026-10-23-zdi-can-33367/
AlmaLinux OSZDI-CAN-33367: Patched kernels available in testingA new Linux kernel vulnerability, tracked by Trend Micro’s Zero Day Initiative (ZDI) as ZDI-CAN-33367, was reported to the kernel security team and public kernel mailing lists on 2026-10-21. It lets an unprivileged local user change the contents of files they can read but not write, such as files owned by root, by corrupting the kernel’s in-memory copy of those files (the page cache). ZDI classifi