CVE-2025-40266

Linux Kernel - Out-of-Bounds Access in KVM FF-A Memory Share

Title source: llm
STIX 2.1

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.

References (4)

Core 4

Scores

EPSS 0.0003
EPSS Percentile 8.4%

Details

Status published
Products (13)
linux/Kernel 3.11.0 - 6.6.118linux
linux/Kernel 6.13.0 - 6.17.10linux
linux/Kernel 6.7.0 - 6.12.60linux
Linux/Linux < 3.11
Linux/Linux 3.11
Linux/Linux 6.12.60 - 6.12.*
Linux/Linux 6.17.10 - 6.17.*
Linux/Linux 6.18
Linux/Linux 6.6.118 - 6.6.*
Linux/Linux 6211753fdfd05af9e08f54c8d0ba3ee516034878 - 103e17aac09cdd358133f9e00998b75d6c1f1518
... and 3 more
Published Dec 04, 2025
Tracked Since Feb 18, 2026