CVE-2023-5090

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.

Red Hat Enterprise Linux 6 and 7 are not affected by this CVE as they did not include support for (de)activating x2AVIC mode, introduced upstream in kernel v6.0 with commit 4d1d794.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.