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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
5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.23%

14.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
LinuxLinux Kernel<= 6.5—
LinuxLinux Kernel6.6Rc1
RedhatEnterprise Linux8.0—
RedhatEnterprise Linux9.0—

References

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.

Are you affected by CVE-2023-5090?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST