Security Fix(es) for kernel 5.14.0-687.53.1.el9_8:

• kernel: ext4: fix e4b bitmap inconsistency reports (CVE-2026-45942)
• kernel: RDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE (CVE-2026-46325)
• kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000 (CVE-2026-52972)
• kernel: fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh() (CVE-2026-53341)
• kernel: arm64: tlb: Flush walk cache when unsharing PMD tables (CVE-2026-63875)
• kernel: RDMA/siw: Reject MPA FPDU length underflow before signed receive math (CVE-2026-64102)
• kernel: perf/core: Detach event groups during remove_on_exec (CVE-2026-64556)
• kernel: crypto: tegra - fix rctx->cryptlen calculation in tegra_gcm_do_one_req() (CVE-2026-80522)
• kernel: perf: Reject exited events as group leaders (CVE-2026-74753)

Bug Fix(es) and Enhancement(s):

• KVM: s390: Limit adapter indicator access to mapped page [rhel-9.8.z] (JIRA:RHEL-188656)
• crypto: xxhash64 should not be fips approved [rhel-9.8.z] (JIRA:RHEL-256437)