!!exclusive!! | Linux 3.13.0-32-generic Exploit

Security Research Team Date: October 26, 2023 (Updated) Difficulty: Advanced

This is arguably the most famous exploit for this specific kernel family. Discovered by rebel, this vulnerability resides in the overlayfs filesystem driver. linux 3.13.0-32-generic exploit

// Create a file we own int fd = open("lower/file", O_CREAT | O_RDWR, 0777); write(fd, "AAAA", 4); close(fd); Security Research Team Date: October 26, 2023 (Updated)

functions, ensuring that the process performing the "copy-up" operation has the actual credentials required to create the file on the underlying storage. For modern systems, keeping the kernel updated beyond the 3.19 or 4.x series (where the fix was backported) mitigates this specific risk. technical breakdown of the C code used to trigger this permission bypass? AI responses may include mistakes. Learn more Security Research Team Date: October 26