CVE-2025-40266

EUVD-2025-201191
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
---
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 5%
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
vulnerable
bookworm (security)
vulnerable
bullseye
vulnerable
bullseye (security)
vulnerable
forky
7.1.3-1
fixed
sid
7.1.3-1
fixed
trixie
6.12.94-1
fixed
trixie (security)
6.12.95-1
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
bpftool6.12
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
bpftool6.12-debuginfo
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel-livepatch-6.12.63-84.121
Amazon Linux 2023
1:1.0-0.amzn2023
fixed
kernel6.12
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-debuginfo
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-debuginfo-common-aarch64
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-debuginfo-common-x86_64
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-devel
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-headers
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-libbpf
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-libbpf-debuginfo
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-libbpf-devel
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-libbpf-static
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-modules-extra
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-modules-extra-common
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-tools
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-tools-debuginfo
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
kernel6.12-tools-devel
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
perf6.12
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
perf6.12-debuginfo
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
python3-perf6.12
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
python3-perf6.12-debuginfo
Amazon Linux 2023
1:6.12.63-84.121.amzn2023
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
kernel
Azure Linux 3.0
0:6.6.119.3-1.azl3
fixed
References
https://git.kernel.org/stable/c/103e17aac09cdd358133f9e00998b75d6c1f1518
https://git.kernel.org/stable/c/bc1909ef38788f2ee3d8011d70bf029948433051
https://git.kernel.org/stable/c/f9f1aed6c8a3427900da3121e1868124854569c3
https://git.kernel.org/stable/c/fc3139d9f4c1fe1c7d5f25f99676bd8e9c6a1041