CVE-2023-52484

CVE-2023-52484 affects the Linux kernel in iommu/arm-smmu-v3 where arm_smmu_mm_invalidate_range (renamed to arm_smmu_mm_arch_invalidate_secondary_tlbs since 6.6-rc1) can trigger a soft lockup during SVA-case TLBI range notifs. The issue is linked to not checking MAX_TLBI_OPS and near MMU tlb flus...