Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-50280: pnode: terminate at peers of source (bsc#1249806). - CVE-2023-53659: iavf: Fix out-of-bounds when setting channels on remove (bsc#1251247). - CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251786). - CVE-2023-53717: wifi: ath9k: Fix potential stack-out-of-bounds write in ath9k_wmi_rsp_callback() (bsc#1252560). - CVE-2025-40040: mm/ksm: fix flag-dropping behavior in ksm_madvise (bsc#1252780). - CVE-2025-40121: ASoC: Intel: bytcr_rt5651: Fix invalid quirk input mapping (bsc#1253367). - CVE-2025-40154: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping (bsc#1253431). - CVE-2025-40204: sctp: Fix MAC comparison to be constant-time (bsc#1253436). The following non-security bugs were fixed: - cifs: Check the lease context if we actually got a lease (bsc#1228688). - cifs: return a single-use cfid if we did not get a lease (bsc#1228688). - smb3: fix Open files on server counter going negative (git-fixes).