Feed/CVE-2025-39823
CVE-2025-39823HIGHCVSS 7.8

CVE-2025-39823

Published Sep 16, 2025·Updated Jun 17, 2026

NVD Description

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: use array_index_nospec with indices that come from guest min and dest_id are guest-controlled indices. Using array_index_nospec() after the bounds checks clamps these values to mitigate speculative execution side-channels.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

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