x86/mm: Fix SMP ordering in switch_mm_irqs_off()
In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix SMP ordering in switch_mm_irqs_off() Stephen noted that it is possible to not have an smp_mb() between the loaded_mm store and the tlb_gen load in switch_mm(), meaning the ordering against flush_tlb_mm_range() goes out the window, and it …
Severity high: primary CNA CVSS 7.8 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2025-11-12T10:53:49.859Z. Updated 2026-08-05T12:08:19.978Z.