Commit 66069c0e authored Apr 09, 2024 by Jinjie Ruan

KVM: arm64: vgic-its: Fix CVE-2024-26598 fix patch issue

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I9F351


CVE: CVE-2024-26598

--------------------------------------

The commit d1e388db ("KVM: arm64: vgic-its: Avoid potential UAF in LPI
translation cache") fix CVE-2024-26598 erroneously, correct it.

Fixes: d1e388db ("KVM: arm64: vgic-its: Avoid potential UAF in LPI translation cache")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>

parent 0b6927f0

arch/arm64/kvm/vgic/vgic-its.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -782,7 +782,6 @@ static int vgic_its_trigger_msi(struct kvm kvm, struct vgic_its its,
		raw_spin_lock_irqsave(&irq->irq_lock, flags);
		irq->pending_latch = true;
		vgic_queue_irq_unlock(kvm, irq, flags);
		vgic_put_irq(kvm, irq);

		return 0;
		}
		@@ -801,6 +800,7 @@ int vgic_its_inject_cached_translation(struct kvm kvm, struct kvm_msi msi)
		raw_spin_lock_irqsave(&irq->irq_lock, flags);
		irq->pending_latch = true;
		vgic_queue_irq_unlock(kvm, irq, flags);
		vgic_put_irq(kvm, irq);

		return 0;
		}