7.8

CVE-2025-39823

KVM: x86: use array_index_nospec with indices that come from guest

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.19 < 5.4.298
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.242
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.191
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.150
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.104
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.45
Linux ≫ Linux Kernel Version >= 6.13 < 6.16.5
Linux ≫ Linux Kernel Version6.17 Updaterc1
Linux ≫ Linux Kernel Version6.17 Updaterc2
Linux ≫ Linux Kernel Version6.17 Updaterc3
Debian ≫ Debian Linux Version11.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.02% 0.053
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-129 Improper Validation of Array Index

The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.