CVE-2023-53988

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> fs/ntfs3: Fix slab-out-of-bounds read in hdr_delete_de()<br /> <br /> Here is a BUG report from syzbot:<br /> <br /> BUG: KASAN: slab-out-of-bounds in hdr_delete_de+0xe0/0x150 fs/ntfs3/index.c:806<br /> Read of size 16842960 at addr ffff888079cc0600 by task syz-executor934/3631<br /> <br /> Call Trace:<br /> memmove+0x25/0x60 mm/kasan/shadow.c:54<br /> hdr_delete_de+0xe0/0x150 fs/ntfs3/index.c:806<br /> indx_delete_entry+0x74f/0x3670 fs/ntfs3/index.c:2193<br /> ni_remove_name+0x27a/0x980 fs/ntfs3/frecord.c:2910<br /> ntfs_unlink_inode+0x3d4/0x720 fs/ntfs3/inode.c:1712<br /> ntfs_rename+0x41a/0xcb0 fs/ntfs3/namei.c:276<br /> <br /> Before using the meta-data in struct INDEX_HDR, we need to<br /> check index header valid or not. Otherwise, the corruptedi<br /> (or malicious) fs image can cause out-of-bounds access which<br /> could make kernel panic.