Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2026-31771: Bluetooth: Ignore HCI_ERROR_CANCELLED_BY_HOST on adv set terminated event (bsc#1264145). - CVE-2026-43038: ipv6: icmp: clear skb2->cb in ip6_err_gen_icmpv6_unreach() (bsc#1264097). - CVE-2026-46090: ALSA: aloop: Fix peer runtime UAF during format-change stop (bsc#1267531). - CVE-2026-46173: exit: prevent preemption of oopsing TASK_DEAD task (bsc#1267722). - CVE-2026-46229: drm/amdkfd: Clear VRAM on allocation to prevent stale data exposure (bsc#1267567). - CVE-2026-46253: pstore/ram: fix buffer overflow in persistent_ram_save_old() (bsc#1267635). - CVE-2026-46266: inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP (bsc#1267684). - CVE-2026-46319: net/sched: act_ct: Only release RCU read lock after ct_ft (bsc#1268022). - CVE-2026-46320: tap: free page on error paths in tap_get_user_xdp() (bsc#1267993). - CVE-2026-46331: net/sched: fix pedit partial COW leading to page cache (bsc#1265421). - CVE-2026-52909: ip6_vti: set netns_immutable on the fallback device (bsc#1268660). - CVE-2026-52918: Bluetooth: serialize accept_q access (bsc#1269100). - CVE-2026-52923: ipc: limit next_id allocation to the valid ID range (bsc#1269033). - CVE-2026-52924: sctp: purge outqueue on stale COOKIE-ECHO handling (bsc#1269036). - CVE-2026-52943: net: skbuff: fix missing zerocopy reference in pskb_carve helpers (bsc#1269022). - CVE-2026-52955: libceph: Fix potential out-of-bounds access in crush_decode() (bsc#1269159). - CVE-2026-52969: KVM: Reject wrapped offset in kvm_reset_dirty_gfn() (bsc#1269184). - CVE-2026-52972: crypto: af_alg - Cap AEAD AD length to 0x80000000 (bsc#1269195). - CVE-2026-52993: tipc: fix double-free in tipc_buf_append() (bsc#1269193). - CVE-2026-53016: crypto: ccp - copy IV using skcipher ivsize (bsc#1269090). - CVE-2026-53041: ocfs2: fix listxattr handling when the buffer is full (bsc#1269398). - CVE-2026-53053: iommu/amd: Fix clone_alias() to use the original device's devid (bsc#1269310). - CVE-2026-53071: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (bsc#1269678). - CVE-2026-53072: Bluetooth: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER (bsc#1269681). - CVE-2026-53133: RDMA/umem: Fix truncation for block sizes >= 4G (bsc#1269821). - CVE-2026-53253: Bluetooth: bnep: fix incorrect length parsing in bnep_rx_frame() extension handling (bsc#1269574). - CVE-2026-53359: KVM: x86: Fix shadow paging use-after-free due to unexpected role (bsc#1270059).