SUSE-SU-2026:0984-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-21738: ata: libata-sff: Ensure that we cannot write outside the allocated buffer bsc1238917. - CVE-2025-40242: gfs2: Fix unlikely race in gdlmputlock...