[PATCH] KVM: arm64: Check the untrusted offset in FF-A memory share

Marc Zyngier maz at kernel.org
Thu Oct 30 09:23:39 PDT 2025


On Fri, 17 Oct 2025 07:57:10 +0000, Sebastian Ene wrote:
> Verify the offset to prevent OOB access in the hypervisor
> FF-A buffer in case an untrusted large enough value
> [U32_MAX - sizeof(struct ffa_composite_mem_region) + 1, U32_MAX]
> is set from the host kernel.
> 
> 

Applied to fixes, thanks!

[1/1] KVM: arm64: Check the untrusted offset in FF-A memory share
      commit: 103e17aac09cdd358133f9e00998b75d6c1f1518

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.





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