Security Advisory

CVE-2024-50193

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2024-11-08 05:54:08

Last updated 2026-05-23 15:54:44

Assigner Linux

State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: x86/entry_32: Clear CPU buffers after register restore in NMI return CPU buffers are currently cleared after call to exc_nmi, but before register state is restored. This may be okay for MDS mitigation but not for RDFS. Because RDFS mitigation requires CPU buffers to be cleared when registers dont have any sensitive data. Move CLEAR_CPU_BUFFERS after RESTORE_ALL_NMI.

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