Vulnerability 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.
CVSS Score
HIGH
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
FAQ
What is CVE-2025-40266?
CVE-2025-40266 is a vulnerability with a CVSS score of 8.2 (HIGH). 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 ...
How severe is CVE-2025-40266?
CVE-2025-40266 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-40266?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.