CVE-2023-52997 Information

Description

In the Linux kernel the following vulnerability has been resolved:

ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()

if (!type) continue; if (type > RTAX_MAX) return -EINVAL; … metrics[type - 1] = val;

@type being used as an array index we need to prevent cpu speculation or risk leaking kernel memory content.

Reference

https://git.kernel.org/stable/c/1d1d63b612801b3f0a39b7d4467cad0abd60e5c8 https://git.kernel.org/stable/c/34c6142f0df9cd75cba5a7aa9df0960d2854b415 https://git.kernel.org/stable/c/6850fe301d015a7d2012d1de8caf43dafb7cc2f6 https://git.kernel.org/stable/c/746db9ec1e672eee13965625ddac0d97e16fa20c https://git.kernel.org/stable/c/d50e7348b44f1e046121ff5be01b7fb6978a1149 https://git.kernel.org/stable/c/ef050cf5fb70d995a0d03244e25179b7c66a924a