CVE-2026-23234 f2fs: fix to avoid UAF in f2fs_write_end_io()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid UAF in f2fswriteendio As syzbot reported an use-after-free issue in f2fswriteendio. It is caused by below race condition: loop device umount - workerthread - loopprocesswork - doreqfilebacked - lorwaio -...

PT-2026-22920

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description The Linux kernel contains a use-after-free issue in the f2fs write end io function. This issue occurs due to a race condition where memory associated with the superblock sbi is freed whi...