Multiple security vulnerabilities were discovered in the Linux kernel version linux-ibm-5.15 affecting various subsystems including ARM64 architecture, InfiniBand drivers, network drivers, and others. Notably, CVE-2025-10263 involves a flaw in some ARM processors where a broadcast TLB invalidation can complete before memory writes are globally observed, potentially allowing a local attacker to write to memory after permissions have been revoked, bypassing memory protections or escalating privileges. These issues could allow attackers to compromise affected systems. A patch is available in version 5.15.0-1110.114~20.04.1 and users are advised to update and reboot their systems.