A vulnerability identified as EntrySign (CVE-2024-36347) affects some AMD Zen processors where CPU microcode signature verification is improperly performed. This flaw allows a privileged attacker to potentially load malicious CPU microcode, leading to loss of system integrity and confidentiality. Additionally, multiple other security issues were found and fixed in various Linux kernel subsystems. Updates addressing these vulnerabilities are available for linux-aws, linux-aws-6.17, linux-hwe-6.17, linux-oracle, and linux-oracle-6.17 kernels.