Improper Handling of Exceptional Conditions Affecting kernel-rt-debug-kvm package, versions <0:4.18.0-553.8.1.rt7.349.el8_10


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUGKVM-6046741
  • published6 Nov 2023
  • disclosed28 Sept 2023

Introduced: 28 Sep 2023

CVE-2023-5090  (opens in a new tab)
CWE-755  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug-kvm to version 0:4.18.0-553.8.1.rt7.349.el8_10 or higher.
This issue was patched in RHSA-2024:4352.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1