Security Advisory

CVE-2025-40266

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2025-12-04 16:08:25
Last updated 2026-07-30 06:02:06
Assigner Linux
CVSS score not scored
State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Check the untrusted offset in FF-A memory share 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.