CVE-2023-5090: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A flaw was found in KVM. An improper check in svm_set_x2apic_msr_interception() may allow direct access to host x2apic msrs when the guest resets its apic, potentially leading to a denial of service condition.

Affected products

• Linux Linux Kernel: up to and including 6.5; version 6.6 only
• Red Hat Enterprise Linux: version 8.0 only; version 9.0 only

Published 2023-11-06. Last modified 2026-08-06.