CVE-2024-27070

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid use-after-free issue in f2fsfilemapfault syzbot reports a f2fs bug as below: BUG: KASAN: slab-use-after-free in f2fsfilemapfault+0xd1/0x2c0 fs/f2fs/file.c:49 Read of size 8 at addr ffff88807bb22680 by task...

CVE-2024-27070

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid use-after-free issue in f2fsfilemapfault syzbot reports a f2fs bug as below: BUG: KASAN: slab-use-after-free in f2fsfilemapfault+0xd1/0x2c0 fs/f2fs/file.c:49 Read of size 8 at addr ffff88807bb22680 by task...

CVE-2024-27070

Summary (CVE-2024-27070): The Linux kernel f2fs subsystem is affected by a use-after-free in f2fs_filemap_fault. The root cause is that vmf->vma may be not alive after filemap_fault(), causing an invalid access to vmf->vma->vm_flags in trace_f2fs_filemap_fault. The fix is to keep vm_flag...