CVE-2024-50193 is a vulnerability in the Linux kernel's x86 32-bit entry code where CPU buffers are not cleared at the correct time during Non-Maskable Interrupt (NMI) return. The fix moves the clearing of CPU buffers to after the register state is restored to properly mitigate Return Stack Buffer (RDFS) attacks. This vulnerability has a high severity with a CVSS score of 7.1.