UBUNTU-CVE-2026-46194

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix nodecnt race between extent node destroy and writeback f2fsdestroyextentnode does not set FINOEXTENT before clearing extent nodes. When called from f2fsdropinode with ISYNC set, concurrent kworker writeback can insert n...

CVE-2026-46194

The CVE-2026-46194 issue concerns the Linux kernel F2FS filesystem. A race in f2fs_destroy_extent_node allowed concurrent writeback to insert extent nodes before FI_NO_EXTENT is set, potentially leaving node_cnt non-zero and triggering a bug. The fixes add FI_NO_EXTENT protection under et->loc...