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CVE-2025-40266 KVM: arm64: Check the untrusted offset in FF-A memory share

🗓️ 04 Dec 2025 16:08:25Reported by GoogleType 
osv
 osv🔗 osv.dev👁 1 Views

CVE-2025-40266 fixes KVM arm64 FF-A memory share by validating untrusted offset to prevent out-of-bounds access.

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Refs
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Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1430)
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Tenable Nessus		Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50112)
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Tenable Nessus		SUSE SLES16 Security Update : kernel (SUSE-SU-2026:20220-1)
6 Feb 202600:00
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Tenable Nessus		SUSE SLES16 Security Update : kernel (SUSE-SU-2026:20228-1)
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Tenable Nessus		Ubuntu 24.04 LTS / 25.10 : Linux kernel vulnerabilities (USN-8094-1)
17 Mar 202600:00
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Tenable Nessus		Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel vulnerabilities (USN-8095-1)
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Tenable Nessus		Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel (NVIDIA) vulnerabilities (USN-8100-1)
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Tenable Nessus		Ubuntu 24.04 LTS : Linux kernel (Azure) vulnerabilities (USN-8125-1)
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Tenable Nessus		Ubuntu 22.04 LTS : Linux kernel (Azure) vulnerabilities (USN-8126-1)
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16 Apr 2026 04:32Current
6.6Medium risk
Vulners AI Score6.6
EPSS0.00028
kernel vulnerabilityarm64 kvmff-a memory shareuntrusted offsetout of bounds
1