{"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":0.14512,"ingestedAt":"2026-08-06T23:06:28.892Z","slug":"CVE-2023-5090","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `linux_kernel <= 6.5`\n- `linux_kernel = 6.6`\n- `enterprise_linux = 8.0`\n- `enterprise_linux = 9.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":33,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}