CVE-2025-40266 (GCVE-0-2025-40266)

Vulnerability from cvelistv5 – Published: 2025-12-04 16:08 – Updated: 2025-12-20 08:51
VLAI?
Title
KVM: arm64: Check the untrusted offset in FF-A memory share
Summary
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 6211753fdfd05af9e08f54c8d0ba3ee516034878 , < fc3139d9f4c1fe1c7d5f25f99676bd8e9c6a1041 (git)
Affected: 6211753fdfd05af9e08f54c8d0ba3ee516034878 , < bc1909ef38788f2ee3d8011d70bf029948433051 (git)
Affected: 6211753fdfd05af9e08f54c8d0ba3ee516034878 , < f9f1aed6c8a3427900da3121e1868124854569c3 (git)
Affected: 6211753fdfd05af9e08f54c8d0ba3ee516034878 , < 103e17aac09cdd358133f9e00998b75d6c1f1518 (git)
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    Linux Linux Affected: 3.11
Unaffected: 0 , < 3.11 (semver)
Unaffected: 6.6.118 , ≤ 6.6.* (semver)
Unaffected: 6.12.60 , ≤ 6.12.* (semver)
Unaffected: 6.17.10 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
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          "programFiles": [
            "arch/arm64/kvm/hyp/nvhe/ffa.c"
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        "dateUpdated": "2025-12-20T08:51:50.089Z",
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        "shortName": "Linux"
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    "datePublished": "2025-12-04T16:08:25.392Z",
    "dateReserved": "2025-04-16T07:20:57.183Z",
    "dateUpdated": "2025-12-20T08:51:50.089Z",
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  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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