CVE-2026-63941 KVM: arm64: Correctly cap ZCR_EL2 provided by a guest hypervisor

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly cap ZCREL2 provided by a guest hypervisor ZCREL2 can be updated by a VHE guest hypervisor either using ZCREL2 which traps or ZCREL1 which does not trap. KVM handles both in different way: - on ZCREL2 trap,...

PT-2026-61258

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly cap ZCR EL2 provided by a guest hypervisor ZCR EL2 can be updated by a VHE guest hypervisor either using ZCR EL2 which traps or ZCR EL1 which does not trap. KVM handles both in different way: - on ZCR EL2...