xfs: fix UAF in xchk_btree_check_block_owner

...

UBUNTU-CVE-2026-23223

In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchkbtreecheckblockowner We cannot dereference bs-cur when trying to determine if bs-cur aliases bs-sc-sa.bno,rmapcur after the latter has been freed. Fix this by sampling before type before any freeing could...

CVE-2026-23223

In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchkbtreecheckblockowner We cannot dereference bs-cur when trying to determine if bs-cur aliases bs-sc-sa.bno,rmapcur after the latter has been freed. Fix this by sampling before type before any freeing could...

nilfs2: fix potential oob read in nilfs_btree_check_delete()

...

SUSE CVE-2024-47757

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential oob read in nilfsbtreecheckdelete The function nilfsbtreecheckdelete, which checks whether degeneration to direct mapping occurs before deleting a b-tree entry, causes memory access outside the block buffer...

UBUNTU-CVE-2024-47757

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential oob read in nilfsbtreecheckdelete The function nilfsbtreecheckdelete, which checks whether degeneration to direct mapping occurs before deleting a b-tree entry, causes memory access outside the block buffer...