CVE-2023-5090
MEDIUMCVSS 5.5/10EPSS 0.23%
Last modified
CVE-2023-5090 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | <= 6.5 | — |
| Linux | Linux Kernel | 6.6 | Rc1 |
| Redhat | Enterprise Linux | 8.0 | — |
| Redhat | Enterprise Linux | 9.0 | — |
References
- https://access.redhat.com/security/cve/CVE-2023-5090Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2248122Issue Tracking, Patch
- https://access.redhat.com/security/cve/CVE-2023-5090Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2248122Issue Tracking, Patch
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-5090?
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.
How severe is CVE-2023-5090?
CVE-2023-5090 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.
How do I fix CVE-2023-5090?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-5090?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST