---
id: CVE-2023-5090
title: A flaw was found in KVM
summary: >-
  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.
severity: medium
cvss: 6
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H'
cwe:
  - CWE-755
  - CWE-755
vendor: linux
product: linux_kernel
affected:
  - linux_kernel <= 6.5
  - linux_kernel = 6.6
  - enterprise_linux = 8.0
  - enterprise_linux = 9.0
published: '2023-11-06'
updated: '2026-08-06'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-5090'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2024:2758'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:3854'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:3855'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:4211'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:4352'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2023-5090'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2248122'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2024:3854'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:3855'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:4211'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/errata/RHSA-2024:4352'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://access.redhat.com/security/cve/CVE-2023-5090'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2248122'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00234
epssPercentile: 0.14528
ingestedAt: '2026-08-06T23:06:28.892Z'
---

## Overview

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

- `linux_kernel <= 6.5`
- `linux_kernel = 6.6`
- `enterprise_linux = 8.0`
- `enterprise_linux = 9.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.