VULNERABILITY INTELLIGENCE

CVE-2025-40266

CVSS score8.2 HIGH
EPSS probability0.15%
CISA KEVNot currently listed
Published2025-12-04
Last modified2026-10-18
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

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.

Primary references