CVE-2019-19319: Use After Free

In the Linux kernel before 5.2, a setxattr operation, after a mount of a crafted ext4 image, can cause a slab-out-of-bounds write access because of an ext4xattrsetentry use-after-free in fs/ext4/xattr.c when a large oldsize value is used in a memset call, aka CID-345c0dbf3a30...

CVE-2018-10840: Heap-based Buffer Overflow

Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4xattrsetentry function. An attacker could exploit this by operating on a mounted crafted ext4 image...

CVE-2018-1095: NULL Pointer Dereference

The ext4xattrcheckentries function in fs/ext4/xattr.c in the Linux kernel through 4.15.15 does not properly validate xattr sizes, which causes misinterpretation of a size as an error code, and consequently allows attackers to cause a denial of service getacl NULL pointer dereference and system...