Bugzilla – Bug 1175912
VUL-0: CVE-2018-3640: Arm: V3a - Rogue Register Load
Last modified: 2022-01-06 16:46:01 UTC
This is the Spectre v3a tracker bug for ARM. +++ This bug was initially created as a clone of Bug #1087083 +++ +++ This bug was initially created as a clone of Bug #1087078 +++
Did a first round try, below patches are needed: (included)dea5e2a4c5bc arm64: alternatives: Add dynamic patching feature (included)1bb32a44aea1 KVM: arm/arm64: Keep GICv2 HYP VAs in kvm_vgic_global_state (included)3ddd45565373 KVM: arm64: Fix HYP idmap unmap when using 52bit PA a264bf34424c arm64: insn: Add N immediate encoding ef3935eeebff arm64: insn: Add encoder for bitwise operations using literals 2b4d1606aac2 arm64: KVM: Dynamically patch the kernel/hyp VA mask a1efdff442ec arm64: cpufeatures: Drop the ARM64_HYP_OFFSET_LOW feature flag 44a497abd621 KVM: arm/arm64: Do not use kern_hyp_va() with kvm_vgic_global_state b4ef04995d33 KVM: arm/arm64: Demote HYP VA range display to being a debug feature 807a378425d2 KVM: arm/arm64: Move ioremap calls to create_hyp_io_mappings 46fef158f10d KVM: arm/arm64: Fix idmap size and alignment e3f019b37b58 KVM: arm/arm64: Move HYP IO VAs to the "idmap" range 9f2efa320d39 arm64; insn: Add encoder for the EXTR instruction 11d764079c9f arm64: insn: Allow ADD/SUB (immediate) with LSL #12 005e975a3bd0 arm64: KVM: Dynamically compute the HYP VA mask ed57cac83e05 arm64: KVM: Introduce EL2 VA randomisation 6bb934af1f73 arm64: Update the KVM memory map documentation 3c5e81232ea4 arm64: KVM: Move vector offsetting from hyp-init.S to kvm_get_hyp_vector 7e80f637fd8b arm64: KVM: Move stashing of x0/x1 into the vector code itself 4340ba80bd3a arm64: KVM: Move BP hardening vectors into .hyp.text section f0445dfadbb2 arm64: KVM: Reserve 4 additional instructions in the BPI template 71dcb8be6d29 arm64: KVM: Allow far branches from vector slots to the main vectors dc2e4633ff39 arm/arm64: KVM: Introduce EL2-specific executable mappings 4205a89b8060 arm64: Make BP hardening slot counter available dee39247dc75 arm64: KVM: Allow mapping of vectors outside of the RAM region 4b472ffd1513 arm64: Enable ARM64_HARDEN_EL2_VECTORS on Cortex-A57 and A72