ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all()

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2025-22121 · Microsoft / collected KEV context

cve-program · CVE-2025-22121

• https://git.kernel.org/stable/c/27202452b0bc942fdc3db72a44c4dcdab96d5b56
• https://git.kernel.org/stable/c/b374e9ecc92aaa7fb2ab221ee3ff5451118ab566
• https://git.kernel.org/stable/c/c000a8a9b5343a5ef867df173c6349672dacbd0f
• https://git.kernel.org/stable/c/3c591353956ffcace2cc74d09930774afed60619
• https://git.kernel.org/stable/c/098927a13fd918bd7c64c2de905350a1ad7b4a3a
• https://git.kernel.org/stable/c/0c8fbb6ffb3c8f5164572ca88e4ccb6cd6a41ca8
• https://git.kernel.org/stable/c/5701875f9609b000d91351eaa6bfd97fe2f157f4

No related operational record is retained in the current change model.