[LTS 8.6] CVE-2023-0597#591

Merged

PlaidCat merged 6 commits intoctrliq:ciqlts8_6from

pvts-mat:ciqlts8_6-CVE-2023-0597

Sep 26, 2025

Commits on Sep 24, 2025

x86/pti/32: Calculate the various PTI cpu_entry_area sizes correctly, make the CPU_ENTRY_AREA_PAGES assert precise
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x86/kasan: Map shadow for percpu pages on demand
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x86/mm: Randomize per-cpu entry area
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x86/mm: Recompute physical address for every page of per-CPU CEA mapping
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x86/mm: Populate KASAN shadow for entire per-CPU range of CPU entry area
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x86/mm: Do not shuffle CPU entry areas without KASLR
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