内网安全 DirtyFrag提权 Linux Dirty Frag本地权限提升漏洞 影响范围: 1 2 3 4 5 Ubuntu 24.04/26.04 Arch Linux、RHEL 8/9 OpenSUSE CentOS Stream FedoraAlmaLinux 等 漏洞复现 1 2 3 https://github.com/V4bel/dirtyfrag gcc -O0 -Wall -o exp exp.c