Multiple security vulnerabilities were discovered in the Linux kernel for AWS systems, including a critical issue affecting some ARM processors. This ARM64 flaw allows a local attacker to write to memory after permissions were revoked by exploiting a timing issue with the translation lookaside buffer (TLB) invalidation. Additional vulnerabilities affect various kernel subsystems such as InfiniBand, network drivers, and multiple networking protocols. These issues could potentially allow attackers to bypass memory protections or escalate privileges. Fixes have been released and are available in updated linux-aws-6.8 kernel packages. A system reboot is required after applying updates, and third-party kernel modules may need recompilation due to ABI changes.