CVE-2022-49738

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on iextraisize in isalive syzbot found a f2fs bug: BUG: KASAN: slab-out-of-bounds in datablkaddr fs/f2fs/f2fs.h:2891 inline BUG: KASAN: slab-out-of-bounds in isalive fs/f2fs/gc.c:1117 inline BUG: KASA...

CVE-2022-49738

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on iextraisize in isalive syzbot found a f2fs bug: BUG: KASAN: slab-out-of-bounds in datablkaddr fs/f2fs/f2fs.h:2891 inline BUG: KASAN: slab-out-of-bounds in isalive fs/f2fs/gc.c:1117 inline BUG: KASA...

CVE-2022-49738 f2fs: fix to do sanity check on i_extra_isize in is_alive()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on iextraisize in isalive syzbot found a f2fs bug: BUG: KASAN: slab-out-of-bounds in datablkaddr fs/f2fs/f2fs.h:2891 inline BUG: KASAN: slab-out-of-bounds in isalive fs/f2fs/gc.c:1117 inline BUG: KASA...

CVE-2022-49738

Summary (CVE-2022-49738) : In the Linux kernel’s f2fs subsystem, a sanity check missing for .i_extra_isize in is_alive() leads to a potential slab-out-of-bounds access in data_blkaddr during garbage collection, as observed in the f2fs_gc path (gc_data_segment -> is_alive -> data_blkaddr -&g...