kernel: ext4: fix use-after-free in ext4_orphan_cleanup

A use-after-free vulnerability was found in the ext4 filesystem's orphan inode cleanup routine in the Linux kernel. When ext4inodeattachjinode fails with -ENOMEM during orphan cleanup at mount time, the error is not properly propagated. The inode is freed via iput, but the orphan list still...

DEBIAN-CVE-2025-22120

In the Linux kernel, the following vulnerability has been resolved: ext4: goto right label 'outmmapsem' in ext4setattr Otherwise, if ext4inodeattachjinode fails, a hung task will happen because filemapinvalidateunlock isn't called to unlock mapping-invalidatelock. Like this: EXT4-fs error device...

UBUNTU-CVE-2025-22120

In the Linux kernel, the following vulnerability has been resolved: ext4: goto right label 'outmmapsem' in ext4setattr Otherwise, if ext4inodeattachjinode fails, a hung task will happen because filemapinvalidateunlock isn't called to unlock mapping-invalidatelock. Like this: EXT4-fs error device...