Tracker / CVE-2025-39823
CVE-2025-39823
High 7.8
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.
Affected products and versions
| debian | debian_linux |
|---|---|
| linux | linux_kernel |
| linux | linux_kernel · 4.19 → 5.4.298 |
| linux | linux_kernel · 5.11 → 5.15.191 |
| linux | linux_kernel · 5.16 → 6.1.150 |
| linux | linux_kernel · 5.5 → 5.10.242 |
| linux | linux_kernel · 6.13 → 6.16.5 |
| linux | linux_kernel · 6.2 → 6.6.104 |
| linux | linux_kernel · 6.7 → 6.12.45 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.