Security update for the Linux Kernel (Live Patch 25 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-48.1 fixes various security issues: The following security issues were fixed: - CVE-2026-46173: exit: prevent preemption of oopsing TASK_DEAD task (bsc#1267723). - CVE-2026-52909: ip6_vti: set netns_immutable on the fallback device (bsc#1268662). - CVE-2026-52943: net: skbuff: fix missing zerocopy reference in pskb_carve helpers (bsc#1269023). - CVE-2026-53359: KVM: x86: Fix shadow paging use-after-free due to unexpected role (bsc#1270060). - CVE-2026-53362: ipv6: account for fraggap on the paged allocation path (ipv6_frag_escape) (bsc#1269495). - CVE-2026-53366: ipv4: account for fraggap on the paged allocation path (bsc#1271370).