Kernel: kvm: svm: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs

6 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

This issue was discovered by Maxim Levitsky (Red Hat).

References

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Affected Vendor

Red Hat

View all reports →

Affected Software

Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7

Vulnerable Versions:

0:4.18.0-553.8.1.rt7.349.el8_10, 0:4.18.0-553.8.1.el8_10, 0:5.14.0-427.16.1.el9_4, 0:5.14.0-284.69.1.el9_2, 0:5.14.0-284.69.1.rt14.354.el9_2