CVE-2025-40266
CVE-2025-40266CVE-2025-40266
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.
Scoring
| CVSS | 8.2 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| Last modified | 2026-07-30 |