CVE-2025-40266
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Check the untrusted offset in FF-A memory share Verify the
CVSS
8.2
High
EPSS
0.1%
p4
KEV
—
Exploit Today
1
0-100
Published: Dec 4, 2025 · Last modified: Oct 18, 2026
0.1%EPSS · 30 days0.1%
2026-10-022026-10-29
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.
- git.kernel.orghttps://git.kernel.org/stable/c/103e17aac09cdd358133f9e00998b75d6c1f1518
- git.kernel.orghttps://git.kernel.org/stable/c/bc1909ef38788f2ee3d8011d70bf029948433051
- git.kernel.orghttps://git.kernel.org/stable/c/f9f1aed6c8a3427900da3121e1868124854569c3
- git.kernel.orghttps://git.kernel.org/stable/c/fc3139d9f4c1fe1c7d5f25f99676bd8e9c6a1041
No related CVEs by CWE or product.