I don't know much about this, but this vulnerability is for aarch64, and I guess some packages will have to be re-built. So I think we should be observing it.
detail: [link]https://rtx.meta.security/mitigation/2023/09/12/CVE-2023-4039.html[/link]
arm: [link]https://developer.arm.com/Arm%20Security%20Center/GCC%20Stack%20Protector%20Vulnerability%20AArch64[/link]
Ubuntu: [link]https://ubuntu.com/security/CVE-2023-4039[l/ink]