Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-21726: padata: avoid UAF for reorder_work (bsc#1238865). - CVE-2025-21785: arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array (bsc#1238747). - CVE-2025-21791: vrf: use RCU protection in l3mdev_l3_out() (bsc#1238512). - CVE-2025-21812: ax25: rcu protect dev->ax25_ptr (bsc#1238471). - CVE-2025-22004: net: atm: fix use after free in lec_send() (bsc#1240835). - CVE-2025-22020: memstick: rtsx_usb_ms: Fix slab-use-after-free in rtsx_usb_ms_drv_remove (bsc#1241280). - CVE-2025-22029: exec: fix the racy usage of fs_struct->in_exec (bsc#1241378). - CVE-2025-22045: x86/mm: Fix flush_tlb_range() when used for zapping normal PMDs (bsc#1241433). - CVE-2025-22055: net: fix geneve_opt length integer overflow (bsc#1241371). - CVE-2025-22097: drm/vkms: Fix use after free and double free on init error (bsc#1241541). The following non-security bugs were fixed: - scsi: smartpqi: Add ctrl ready timeout module parameter (jsc#PED-1557, bsc#1201855, bsc#1240553).