CVE-2023-52622

CVE-2023-52622 concerns an ext4 online resizing failure when flexbg_size is oversized. Affected Linux kernel workflows (mkfs.ext4 -G, mount, resize2fs) could trigger WARN_ON at __alloc_pages/__kmalloc during ext4_resize_fs, caused by MAX_RESIZE_BG exceeding available memory groups. The minimum MA...