Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Red Hat Red Hat Enterprise Linux 8 — Kernel: kvm: svm: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U N N H 5.5 .0023 14.5 —
AFFECTED
Product Versions Fixed
Red Hat Enterprise Linux 8 unspecified 0:4.18.0-553.8.1.rt7.349.el8_10
Red Hat Enterprise Linux 8 unspecified 0:4.18.0-553.8.1.el8_10
Red Hat Enterprise Linux 9 unspecified 0:5.14.0-427.16.1.el9_4
Red Hat Enterprise Linux 9 unspecified 0:5.14.0-427.16.1.el9_4
Red Hat Enterprise Linux 9.2 Extended Update Support unspecified 0:5.14.0-284.69.1.el9_2
Red Hat Enterprise Linux 9.2 Extended Update Support unspecified 0:5.14.0-284.69.1.rt14.354.el9_2
Red Hat Enterprise Linux 6 unspecified —
Red Hat Enterprise Linux 7 unspecified —
Red Hat Enterprise Linux 7 unspecified —
Red Hat Enterprise Linux 9 unspecified —
TIMELINE
Sep 20 Reserved by redhat
Nov 6 Published (CNA: redhat)
Aug 6 RESCORED — CVE-2023-5090 (Red Hat Enterprise Linux 8). CVSS 6 → 5.5 (NVD).
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| September 20, 2023 | Reserved | Reserved by redhat |
| November 6, 2023 | Published | Published (CNA: redhat) |
| August 6, 2026 | RESCORED | RESCORED — CVE-2023-5090 (Red Hat Enterprise Linux 8). CVSS 6 → 5.5 (NVD). |
Affected
Affected products and packages — 10 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Red Hat | Red Hat Enterprise Linux 8 | — | — | 0:4.18.0-553.8.1.rt7.349.el8_10 |
| Red Hat | Red Hat Enterprise Linux 8 | — | — | 0:4.18.0-553.8.1.el8_10 |
| Red Hat | Red Hat Enterprise Linux 9 | — | — | 0:5.14.0-427.16.1.el9_4 |
| Red Hat | Red Hat Enterprise Linux 9 | — | — | 0:5.14.0-427.16.1.el9_4 |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | — | 0:5.14.0-284.69.1.el9_2 |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | — | 0:5.14.0-284.69.1.rt14.354.el9_2 |
| Red Hat | Red Hat Enterprise Linux 6 | — | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-5090 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.