In the Linux kernel, the following vulnerability has been resolved:
ext4: fix iloc.bh leak in ext4_xattr_inode_update_ref
The error branch for ext4_xattr_inode_update_ref forget to release the refcount for iloc.bh. Find this when review code.
Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:NI:NA:H5.5/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H