kernel: Fix of 12 CVEs

ext4: fix OOB read when checking dotdot dir CVE-2025-37785 - iscsiibft: Fix UBSAN shift-out-of-bounds warning in ibftattrshownic CVE-2025-21993 - media: uvcvideo: Fix double free in error path CVE-2024-57980 - jffs2: Prevent rtime decompress memory corruption CVE-2024-57850 - wifi: iwlegacy:...