CVE-2025-40266 - CVE House
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Status published Unknown CVE-2025-40266

KVM: arm64: Check the untrusted offset in FF-A memory share

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
6211753fdfd05af9e08f54c8d0ba3ee516034878, 3.11, 0, 6.6.118, 6.12.60, 6.17.10, 6.18

Timeline

Official Publish: December 4th, 2025
Last Modified: June 16th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.