CVE-2025-22123

CVE-2025-22123 relates to the Linux kernel’s F2FS filesystem. The issue arises when a faulty allocator path introduced by a commit (FAULT_NO_SEGMENT) may set curseg->segno to NULL_SEGNO while CP_ERROR_FLAG is set. This can lead to a page fault path where f2fs_write_inode() traverses a sequence...